388279920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:408

約数の個数: 240

約数和(自身を含む): 1416257568

約数和(自身を除く): 1027977648

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 137, 140, 147, 168, 196, 210, 240, 241, 245, 274, 280, 294, 336, 392, 411, 420, 482, 490, 548, 560, 588, 685, 723, 735, 784, 822, 840, 959, 964, 980, 1096, 1176, 1205, 1370, 1446, 1470, 1644, 1680, 1687, 1918, 1928, 1960, 2055, 2192, 2352, 2410, 2740, 2877, 2892, 2940, 3288, 3374, 3615, 3836, 3856, 3920, 4110, 4795, 4820, 5061, 5480, 5754, 5784, 5880, 6576, 6713, 6748, 7230, 7672, 8220, 8435, 9590, 9640, 10122, 10960, 11508, 11568, 11760, 11809, 13426, 13496, 14385, 14460, 15344, 16440, 16870, 19180, 19280, 20139, 20244, 23016, 23618, 25305, 26852, 26992, 28770, 28920, 32880, 33017, 33565, 33740, 35427, 38360, 40278, 40488, 46032, 47236, 50610, 53704, 57540, 57840, 59045, 66034, 67130, 67480, 70854, 76720, 80556, 80976, 94472, 99051, 100695, 101220, 107408, 115080, 118090, 132068, 134260, 134960, 141708, 161112, 165085, 177135, 188944, 198102, 201390, 202440, 230160, 231119, 236180, 264136, 268520, 283416, 322224, 330170, 354270, 396204, 402780, 404880, 462238, 472360, 495255, 528272, 537040, 566832, 660340, 693357, 708540, 792408, 805560, 924476, 944720, 990510, 1155595, 1320680, 1386714, 1417080, 1584816, 1611120, 1617833, 1848952, 1981020, 2311190, 2641360, 2773428, 2834160, 3235666, 3466785, 3697904, 3962040, 4622380, 4853499, 5546856, 6471332, 6933570, 7924080, 8089165, 9244760, 9706998, 11093712, 12942664, 13867140, 16178330, 18489520, 19413996, 24267495, 25885328, 27734280, 32356660, 38827992, 48534990, 55468560, 64713320, 77655984, 97069980, 129426640, 194139960, 388279920]

約数ペア:

[(1, 388279920), (2, 194139960), (3, 129426640), (4, 97069980), (5, 77655984), (6, 64713320), (7, 55468560), (8, 48534990), (10, 38827992), (12, 32356660), (14, 27734280), (15, 25885328), (16, 24267495), (20, 19413996), (21, 18489520), (24, 16178330), (28, 13867140), (30, 12942664), (35, 11093712), (40, 9706998), (42, 9244760), (48, 8089165), (49, 7924080), (56, 6933570), (60, 6471332), (70, 5546856), (80, 4853499), (84, 4622380), (98, 3962040), (105, 3697904), (112, 3466785), (120, 3235666), (137, 2834160), (140, 2773428), (147, 2641360), (168, 2311190), (196, 1981020), (210, 1848952), (240, 1617833), (241, 1611120), (245, 1584816), (274, 1417080), (280, 1386714), (294, 1320680), (336, 1155595), (392, 990510), (411, 944720), (420, 924476), (482, 805560), (490, 792408), (548, 708540), (560, 693357), (588, 660340), (685, 566832), (723, 537040), (735, 528272), (784, 495255), (822, 472360), (840, 462238), (959, 404880), (964, 402780), (980, 396204), (1096, 354270), (1176, 330170), (1205, 322224), (1370, 283416), (1446, 268520), (1470, 264136), (1644, 236180), (1680, 231119), (1687, 230160), (1918, 202440), (1928, 201390), (1960, 198102), (2055, 188944), (2192, 177135), (2352, 165085), (2410, 161112), (2740, 141708), (2877, 134960), (2892, 134260), (2940, 132068), (3288, 118090), (3374, 115080), (3615, 107408), (3836, 101220), (3856, 100695), (3920, 99051), (4110, 94472), (4795, 80976), (4820, 80556), (5061, 76720), (5480, 70854), (5754, 67480), (5784, 67130), (5880, 66034), (6576, 59045), (6713, 57840), (6748, 57540), (7230, 53704), (7672, 50610), (8220, 47236), (8435, 46032), (9590, 40488), (9640, 40278), (10122, 38360), (10960, 35427), (11508, 33740), (11568, 33565), (11760, 33017), (11809, 32880), (13426, 28920), (13496, 28770), (14385, 26992), (14460, 26852), (15344, 25305), (16440, 23618), (16870, 23016), (19180, 20244), (19280, 20139)]