888973960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{461}}^1$

素因数の和:647

約数の個数: 128

約数和(自身を含む): 2347107840

約数和(自身を除く): 1458133880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 97, 140, 142, 194, 280, 284, 355, 388, 461, 485, 497, 568, 679, 710, 776, 922, 970, 994, 1358, 1420, 1844, 1940, 1988, 2305, 2485, 2716, 2840, 3227, 3395, 3688, 3880, 3976, 4610, 4970, 5432, 6454, 6790, 6887, 9220, 9940, 12908, 13580, 13774, 16135, 18440, 19880, 25816, 27160, 27548, 32270, 32731, 34435, 44717, 48209, 55096, 64540, 65462, 68870, 89434, 96418, 129080, 130924, 137740, 163655, 178868, 192836, 223585, 229117, 241045, 261848, 275480, 313019, 327310, 357736, 385672, 447170, 458234, 482090, 626038, 654620, 894340, 916468, 964180, 1145585, 1252076, 1309240, 1565095, 1788680, 1832936, 1928360, 2291170, 2504152, 3130190, 3174907, 4582340, 6260380, 6349814, 9164680, 12520760, 12699628, 15874535, 22224349, 25399256, 31749070, 44448698, 63498140, 88897396, 111121745, 126996280, 177794792, 222243490, 444486980, 888973960]

約数ペア:

[(1, 888973960), (2, 444486980), (4, 222243490), (5, 177794792), (7, 126996280), (8, 111121745), (10, 88897396), (14, 63498140), (20, 44448698), (28, 31749070), (35, 25399256), (40, 22224349), (56, 15874535), (70, 12699628), (71, 12520760), (97, 9164680), (140, 6349814), (142, 6260380), (194, 4582340), (280, 3174907), (284, 3130190), (355, 2504152), (388, 2291170), (461, 1928360), (485, 1832936), (497, 1788680), (568, 1565095), (679, 1309240), (710, 1252076), (776, 1145585), (922, 964180), (970, 916468), (994, 894340), (1358, 654620), (1420, 626038), (1844, 482090), (1940, 458234), (1988, 447170), (2305, 385672), (2485, 357736), (2716, 327310), (2840, 313019), (3227, 275480), (3395, 261848), (3688, 241045), (3880, 229117), (3976, 223585), (4610, 192836), (4970, 178868), (5432, 163655), (6454, 137740), (6790, 130924), (6887, 129080), (9220, 96418), (9940, 89434), (12908, 68870), (13580, 65462), (13774, 64540), (16135, 55096), (18440, 48209), (19880, 44717), (25816, 34435), (27160, 32731), (27548, 32270)]