190286680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{153457}}^1$

素因数の和:153499

約数の個数: 32

約数和(自身を含む): 441959040

約数和(自身を除く): 251672360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 153457, 306914, 613828, 767285, 1227656, 1534570, 3069140, 4757167, 6138280, 9514334, 19028668, 23785835, 38057336, 47571670, 95143340, 190286680]

約数ペア:

[(1, 190286680), (2, 95143340), (4, 47571670), (5, 38057336), (8, 23785835), (10, 19028668), (20, 9514334), (31, 6138280), (40, 4757167), (62, 3069140), (124, 1534570), (155, 1227656), (248, 767285), (310, 613828), (620, 306914), (1240, 153457)]