49403380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1367}}^1$

素因数の和:1528

約数の個数: 48

約数和(自身を含む): 112613760

約数和(自身を除く): 63210380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 260, 278, 556, 695, 1367, 1390, 1807, 2734, 2780, 3614, 5468, 6835, 7228, 9035, 13670, 17771, 18070, 27340, 35542, 36140, 71084, 88855, 177710, 190013, 355420, 380026, 760052, 950065, 1900130, 2470169, 3800260, 4940338, 9880676, 12350845, 24701690, 49403380]

約数ペア:

[(1, 49403380), (2, 24701690), (4, 12350845), (5, 9880676), (10, 4940338), (13, 3800260), (20, 2470169), (26, 1900130), (52, 950065), (65, 760052), (130, 380026), (139, 355420), (260, 190013), (278, 177710), (556, 88855), (695, 71084), (1367, 36140), (1390, 35542), (1807, 27340), (2734, 18070), (2780, 17771), (3614, 13670), (5468, 9035), (6835, 7228)]