401269180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1129}}^1\times {\mathrm{1367}}^1$

素因数の和:2518

約数の個数: 48

約数和(自身を含む): 908953920

約数和(自身を除く): 507684740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1129, 1367, 2258, 2734, 4516, 5468, 5645, 6835, 11290, 13670, 14677, 17771, 22580, 27340, 29354, 35542, 58708, 71084, 73385, 88855, 146770, 177710, 293540, 355420, 1543343, 3086686, 6173372, 7716715, 15433430, 20063459, 30866860, 40126918, 80253836, 100317295, 200634590, 401269180]

約数ペア:

[(1, 401269180), (2, 200634590), (4, 100317295), (5, 80253836), (10, 40126918), (13, 30866860), (20, 20063459), (26, 15433430), (52, 7716715), (65, 6173372), (130, 3086686), (260, 1543343), (1129, 355420), (1367, 293540), (2258, 177710), (2734, 146770), (4516, 88855), (5468, 73385), (5645, 71084), (6835, 58708), (11290, 35542), (13670, 29354), (14677, 27340), (17771, 22580)]