74468180

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 160683264

約数和(自身を除く): 86215084

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 163, 212, 265, 326, 431, 530, 652, 815, 862, 1060, 1630, 1724, 2155, 3260, 4310, 8620, 8639, 17278, 22843, 34556, 43195, 45686, 70253, 86390, 91372, 114215, 140506, 172780, 228430, 281012, 351265, 456860, 702530, 1405060, 3723409, 7446818, 14893636, 18617045, 37234090, 74468180]

約数ペア:

[(1, 74468180), (2, 37234090), (4, 18617045), (5, 14893636), (10, 7446818), (20, 3723409), (53, 1405060), (106, 702530), (163, 456860), (212, 351265), (265, 281012), (326, 228430), (431, 172780), (530, 140506), (652, 114215), (815, 91372), (862, 86390), (1060, 70253), (1630, 45686), (1724, 43195), (2155, 34556), (3260, 22843), (4310, 17278), (8620, 8639)]