76685540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 164989440

約数和(自身を除く): 88303900

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 239, 244, 263, 305, 478, 526, 610, 956, 1052, 1195, 1220, 1315, 2390, 2630, 4780, 5260, 14579, 16043, 29158, 32086, 58316, 62857, 64172, 72895, 80215, 125714, 145790, 160430, 251428, 291580, 314285, 320860, 628570, 1257140, 3834277, 7668554, 15337108, 19171385, 38342770, 76685540]

約数ペア:

[(1, 76685540), (2, 38342770), (4, 19171385), (5, 15337108), (10, 7668554), (20, 3834277), (61, 1257140), (122, 628570), (239, 320860), (244, 314285), (263, 291580), (305, 251428), (478, 160430), (526, 145790), (610, 125714), (956, 80215), (1052, 72895), (1195, 64172), (1220, 62857), (1315, 58316), (2390, 32086), (2630, 29158), (4780, 16043), (5260, 14579)]