90871480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:749

約数の個数: 96

約数和(自身を含む): 241561440

約数和(自身を除く): 150689960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 71, 98, 140, 142, 196, 245, 280, 284, 355, 392, 490, 497, 568, 653, 710, 980, 994, 1306, 1420, 1960, 1988, 2485, 2612, 2840, 3265, 3479, 3976, 4571, 4970, 5224, 6530, 6958, 9142, 9940, 13060, 13916, 17395, 18284, 19880, 22855, 26120, 27832, 31997, 34790, 36568, 45710, 46363, 63994, 69580, 91420, 92726, 127988, 139160, 159985, 182840, 185452, 231815, 255976, 319970, 324541, 370904, 463630, 639940, 649082, 927260, 1279880, 1298164, 1622705, 1854520, 2271787, 2596328, 3245410, 4543574, 6490820, 9087148, 11358935, 12981640, 18174296, 22717870, 45435740, 90871480]

約数ペア:

[(1, 90871480), (2, 45435740), (4, 22717870), (5, 18174296), (7, 12981640), (8, 11358935), (10, 9087148), (14, 6490820), (20, 4543574), (28, 3245410), (35, 2596328), (40, 2271787), (49, 1854520), (56, 1622705), (70, 1298164), (71, 1279880), (98, 927260), (140, 649082), (142, 639940), (196, 463630), (245, 370904), (280, 324541), (284, 319970), (355, 255976), (392, 231815), (490, 185452), (497, 182840), (568, 159985), (653, 139160), (710, 127988), (980, 92726), (994, 91420), (1306, 69580), (1420, 63994), (1960, 46363), (1988, 45710), (2485, 36568), (2612, 34790), (2840, 31997), (3265, 27832), (3479, 26120), (3976, 22855), (4571, 19880), (4970, 18284), (5224, 17395), (6530, 13916), (6958, 13060), (9142, 9940)]