191989840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:154

約数の個数: 240

約数和(自身を含む): 570981312

約数和(自身を除く): 378991472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 43, 49, 56, 67, 68, 70, 80, 85, 86, 98, 112, 119, 134, 136, 140, 170, 172, 196, 215, 238, 245, 268, 272, 280, 301, 335, 340, 344, 392, 430, 469, 476, 490, 536, 560, 595, 602, 670, 680, 688, 731, 784, 833, 860, 938, 952, 980, 1072, 1139, 1190, 1204, 1340, 1360, 1462, 1505, 1666, 1720, 1876, 1904, 1960, 2107, 2278, 2345, 2380, 2408, 2680, 2881, 2924, 3010, 3283, 3332, 3440, 3655, 3752, 3920, 4165, 4214, 4556, 4690, 4760, 4816, 5117, 5360, 5695, 5762, 5848, 6020, 6566, 6664, 7310, 7504, 7973, 8330, 8428, 9112, 9380, 9520, 10234, 10535, 11390, 11524, 11696, 12040, 13132, 13328, 14405, 14620, 15946, 16415, 16660, 16856, 18224, 18760, 20167, 20468, 21070, 22780, 23048, 24080, 25585, 26264, 28810, 29240, 31892, 32830, 33320, 33712, 35819, 37520, 39865, 40334, 40936, 42140, 45560, 46096, 48977, 51170, 52528, 55811, 57620, 58480, 63784, 65660, 66640, 71638, 79730, 80668, 81872, 84280, 91120, 97954, 100835, 102340, 111622, 115240, 127568, 131320, 141169, 143276, 159460, 161336, 168560, 179095, 195908, 201670, 204680, 223244, 230480, 244885, 262640, 279055, 282338, 286552, 318920, 322672, 342839, 358190, 391816, 403340, 409360, 446488, 489770, 558110, 564676, 573104, 637840, 685678, 705845, 716380, 783632, 806680, 892976, 979540, 1116220, 1129352, 1371356, 1411690, 1432760, 1613360, 1714195, 1959080, 2232440, 2258704, 2399873, 2742712, 2823380, 2865520, 3428390, 3918160, 4464880, 4799746, 5485424, 5646760, 6856780, 9599492, 11293520, 11999365, 13713560, 19198984, 23998730, 27427120, 38397968, 47997460, 95994920, 191989840]

約数ペア:

[(1, 191989840), (2, 95994920), (4, 47997460), (5, 38397968), (7, 27427120), (8, 23998730), (10, 19198984), (14, 13713560), (16, 11999365), (17, 11293520), (20, 9599492), (28, 6856780), (34, 5646760), (35, 5485424), (40, 4799746), (43, 4464880), (49, 3918160), (56, 3428390), (67, 2865520), (68, 2823380), (70, 2742712), (80, 2399873), (85, 2258704), (86, 2232440), (98, 1959080), (112, 1714195), (119, 1613360), (134, 1432760), (136, 1411690), (140, 1371356), (170, 1129352), (172, 1116220), (196, 979540), (215, 892976), (238, 806680), (245, 783632), (268, 716380), (272, 705845), (280, 685678), (301, 637840), (335, 573104), (340, 564676), (344, 558110), (392, 489770), (430, 446488), (469, 409360), (476, 403340), (490, 391816), (536, 358190), (560, 342839), (595, 322672), (602, 318920), (670, 286552), (680, 282338), (688, 279055), (731, 262640), (784, 244885), (833, 230480), (860, 223244), (938, 204680), (952, 201670), (980, 195908), (1072, 179095), (1139, 168560), (1190, 161336), (1204, 159460), (1340, 143276), (1360, 141169), (1462, 131320), (1505, 127568), (1666, 115240), (1720, 111622), (1876, 102340), (1904, 100835), (1960, 97954), (2107, 91120), (2278, 84280), (2345, 81872), (2380, 80668), (2408, 79730), (2680, 71638), (2881, 66640), (2924, 65660), (3010, 63784), (3283, 58480), (3332, 57620), (3440, 55811), (3655, 52528), (3752, 51170), (3920, 48977), (4165, 46096), (4214, 45560), (4556, 42140), (4690, 40936), (4760, 40334), (4816, 39865), (5117, 37520), (5360, 35819), (5695, 33712), (5762, 33320), (5848, 32830), (6020, 31892), (6566, 29240), (6664, 28810), (7310, 26264), (7504, 25585), (7973, 24080), (8330, 23048), (8428, 22780), (9112, 21070), (9380, 20468), (9520, 20167), (10234, 18760), (10535, 18224), (11390, 16856), (11524, 16660), (11696, 16415), (12040, 15946), (13132, 14620), (13328, 14405)]