137978360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{20411}}^1$

素因数の和:20448

約数の個数: 48

約数和(自身を含む): 336185640

約数和(自身を除く): 198207280

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 20411, 40822, 81644, 102055, 163288, 204110, 265343, 408220, 530686, 816440, 1061372, 1326715, 2122744, 2653430, 3449459, 5306860, 6898918, 10613720, 13797836, 17247295, 27595672, 34494590, 68989180, 137978360]

約数ペア:

[(1, 137978360), (2, 68989180), (4, 34494590), (5, 27595672), (8, 17247295), (10, 13797836), (13, 10613720), (20, 6898918), (26, 5306860), (40, 3449459), (52, 2653430), (65, 2122744), (104, 1326715), (130, 1061372), (169, 816440), (260, 530686), (338, 408220), (520, 265343), (676, 204110), (845, 163288), (1352, 102055), (1690, 81644), (3380, 40822), (6760, 20411)]