31314920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1229}}^1$

素因数の和:1267

約数の個数: 96

約数和(自身を含む): 88338600

約数和(自身を除く): 57023680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 91, 98, 104, 130, 140, 182, 196, 245, 260, 280, 364, 392, 455, 490, 520, 637, 728, 910, 980, 1229, 1274, 1820, 1960, 2458, 2548, 3185, 3640, 4916, 5096, 6145, 6370, 8603, 9832, 12290, 12740, 15977, 17206, 24580, 25480, 31954, 34412, 43015, 49160, 60221, 63908, 68824, 79885, 86030, 111839, 120442, 127816, 159770, 172060, 223678, 240884, 301105, 319540, 344120, 447356, 481768, 559195, 602210, 639080, 782873, 894712, 1118390, 1204420, 1565746, 2236780, 2408840, 3131492, 3914365, 4473560, 6262984, 7828730, 15657460, 31314920]

約数ペア:

[(1, 31314920), (2, 15657460), (4, 7828730), (5, 6262984), (7, 4473560), (8, 3914365), (10, 3131492), (13, 2408840), (14, 2236780), (20, 1565746), (26, 1204420), (28, 1118390), (35, 894712), (40, 782873), (49, 639080), (52, 602210), (56, 559195), (65, 481768), (70, 447356), (91, 344120), (98, 319540), (104, 301105), (130, 240884), (140, 223678), (182, 172060), (196, 159770), (245, 127816), (260, 120442), (280, 111839), (364, 86030), (392, 79885), (455, 68824), (490, 63908), (520, 60221), (637, 49160), (728, 43015), (910, 34412), (980, 31954), (1229, 25480), (1274, 24580), (1820, 17206), (1960, 15977), (2458, 12740), (2548, 12290), (3185, 9832), (3640, 8603), (4916, 6370), (5096, 6145)]