274385960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2801}}^1$

素因数の和:2922

約数の個数: 64

約数和(自身を含む): 645580800

約数和(自身を除く): 371194840

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 248, 310, 316, 395, 620, 632, 790, 1240, 1580, 2449, 2801, 3160, 4898, 5602, 9796, 11204, 12245, 14005, 19592, 22408, 24490, 28010, 48980, 56020, 86831, 97960, 112040, 173662, 221279, 347324, 434155, 442558, 694648, 868310, 885116, 1106395, 1736620, 1770232, 2212790, 3473240, 4425580, 6859649, 8851160, 13719298, 27438596, 34298245, 54877192, 68596490, 137192980, 274385960]

約数ペア:

[(1, 274385960), (2, 137192980), (4, 68596490), (5, 54877192), (8, 34298245), (10, 27438596), (20, 13719298), (31, 8851160), (40, 6859649), (62, 4425580), (79, 3473240), (124, 2212790), (155, 1770232), (158, 1736620), (248, 1106395), (310, 885116), (316, 868310), (395, 694648), (620, 442558), (632, 434155), (790, 347324), (1240, 221279), (1580, 173662), (2449, 112040), (2801, 97960), (3160, 86831), (4898, 56020), (5602, 48980), (9796, 28010), (11204, 24490), (12245, 22408), (14005, 19592)]