139968140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31667}}^1$

素因数の和:31706

約数の個数: 48

約数和(自身を含む): 335174112

約数和(自身を除く): 195205972

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 31667, 63334, 126668, 158335, 316670, 411671, 538339, 633340, 823342, 1076678, 1646684, 2058355, 2153356, 2691695, 4116710, 5383390, 6998407, 8233420, 10766780, 13996814, 27993628, 34992035, 69984070, 139968140]

約数ペア:

[(1, 139968140), (2, 69984070), (4, 34992035), (5, 27993628), (10, 13996814), (13, 10766780), (17, 8233420), (20, 6998407), (26, 5383390), (34, 4116710), (52, 2691695), (65, 2153356), (68, 2058355), (85, 1646684), (130, 1076678), (170, 823342), (221, 633340), (260, 538339), (340, 411671), (442, 316670), (884, 158335), (1105, 126668), (2210, 63334), (4420, 31667)]