388855320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:298

約数の個数: 256

約数和(自身を含む): 1398988800

約数和(自身を除く): 1010133480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 109, 120, 124, 137, 140, 155, 168, 186, 210, 217, 218, 248, 274, 280, 310, 327, 372, 411, 420, 434, 436, 465, 545, 548, 620, 651, 654, 685, 744, 763, 822, 840, 868, 872, 930, 959, 1085, 1090, 1096, 1240, 1302, 1308, 1370, 1526, 1635, 1644, 1736, 1860, 1918, 2055, 2170, 2180, 2289, 2604, 2616, 2740, 2877, 3052, 3255, 3270, 3288, 3379, 3720, 3815, 3836, 4110, 4247, 4340, 4360, 4578, 4795, 5208, 5480, 5754, 6104, 6510, 6540, 6758, 7630, 7672, 8220, 8494, 8680, 9156, 9590, 10137, 11445, 11508, 12741, 13020, 13080, 13516, 14385, 14933, 15260, 16440, 16895, 16988, 18312, 19180, 20274, 21235, 22890, 23016, 23653, 25482, 26040, 27032, 28770, 29729, 29866, 30520, 33790, 33976, 38360, 40548, 42470, 44799, 45780, 47306, 50685, 50964, 57540, 59458, 59732, 63705, 67580, 70959, 74665, 81096, 84940, 89187, 89598, 91560, 94612, 101370, 101928, 104531, 115080, 118265, 118916, 119464, 127410, 135160, 141918, 148645, 149330, 169880, 178374, 179196, 189224, 202740, 209062, 223995, 236530, 237832, 254820, 283836, 297290, 298660, 313593, 354795, 356748, 358392, 405480, 418124, 445935, 447990, 462923, 473060, 509640, 522655, 567672, 594580, 597320, 627186, 709590, 713496, 836248, 891870, 895980, 925846, 946120, 1045310, 1189160, 1254372, 1388769, 1419180, 1567965, 1783740, 1791960, 1851692, 2090620, 2314615, 2508744, 2777538, 2838360, 3135930, 3240461, 3567480, 3703384, 4181240, 4629230, 5555076, 6271860, 6480922, 6943845, 9258460, 9721383, 11110152, 12543720, 12961844, 13887690, 16202305, 18516920, 19442766, 25923688, 27775380, 32404610, 38885532, 48606915, 55550760, 64809220, 77771064, 97213830, 129618440, 194427660, 388855320]

約数ペア:

[(1, 388855320), (2, 194427660), (3, 129618440), (4, 97213830), (5, 77771064), (6, 64809220), (7, 55550760), (8, 48606915), (10, 38885532), (12, 32404610), (14, 27775380), (15, 25923688), (20, 19442766), (21, 18516920), (24, 16202305), (28, 13887690), (30, 12961844), (31, 12543720), (35, 11110152), (40, 9721383), (42, 9258460), (56, 6943845), (60, 6480922), (62, 6271860), (70, 5555076), (84, 4629230), (93, 4181240), (105, 3703384), (109, 3567480), (120, 3240461), (124, 3135930), (137, 2838360), (140, 2777538), (155, 2508744), (168, 2314615), (186, 2090620), (210, 1851692), (217, 1791960), (218, 1783740), (248, 1567965), (274, 1419180), (280, 1388769), (310, 1254372), (327, 1189160), (372, 1045310), (411, 946120), (420, 925846), (434, 895980), (436, 891870), (465, 836248), (545, 713496), (548, 709590), (620, 627186), (651, 597320), (654, 594580), (685, 567672), (744, 522655), (763, 509640), (822, 473060), (840, 462923), (868, 447990), (872, 445935), (930, 418124), (959, 405480), (1085, 358392), (1090, 356748), (1096, 354795), (1240, 313593), (1302, 298660), (1308, 297290), (1370, 283836), (1526, 254820), (1635, 237832), (1644, 236530), (1736, 223995), (1860, 209062), (1918, 202740), (2055, 189224), (2170, 179196), (2180, 178374), (2289, 169880), (2604, 149330), (2616, 148645), (2740, 141918), (2877, 135160), (3052, 127410), (3255, 119464), (3270, 118916), (3288, 118265), (3379, 115080), (3720, 104531), (3815, 101928), (3836, 101370), (4110, 94612), (4247, 91560), (4340, 89598), (4360, 89187), (4578, 84940), (4795, 81096), (5208, 74665), (5480, 70959), (5754, 67580), (6104, 63705), (6510, 59732), (6540, 59458), (6758, 57540), (7630, 50964), (7672, 50685), (8220, 47306), (8494, 45780), (8680, 44799), (9156, 42470), (9590, 40548), (10137, 38360), (11445, 33976), (11508, 33790), (12741, 30520), (13020, 29866), (13080, 29729), (13516, 28770), (14385, 27032), (14933, 26040), (15260, 25482), (16440, 23653), (16895, 23016), (16988, 22890), (18312, 21235), (19180, 20274)]