508978340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{2207}}^1$

素因数の和:3116

約数の個数: 48

約数和(自身を含む): 1152893952

約数和(自身を除く): 643915612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 887, 1774, 2207, 3548, 4414, 4435, 8828, 8870, 11035, 11531, 17740, 22070, 23062, 28691, 44140, 46124, 57382, 57655, 114764, 115310, 143455, 230620, 286910, 573820, 1957609, 3915218, 7830436, 9788045, 19576090, 25448917, 39152180, 50897834, 101795668, 127244585, 254489170, 508978340]

約数ペア:

[(1, 508978340), (2, 254489170), (4, 127244585), (5, 101795668), (10, 50897834), (13, 39152180), (20, 25448917), (26, 19576090), (52, 9788045), (65, 7830436), (130, 3915218), (260, 1957609), (887, 573820), (1774, 286910), (2207, 230620), (3548, 143455), (4414, 115310), (4435, 114764), (8828, 57655), (8870, 57382), (11035, 46124), (11531, 44140), (17740, 28691), (22070, 23062)]