1489723640

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{121313}}^1$

素因数の和:121631

約数の個数: 32

約数和(自身を含む): 3362824080

約数和(自身を除く): 1873100440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 12280, 121313, 242626, 485252, 606565, 970504, 1213130, 2426260, 4852520, 37243091, 74486182, 148972364, 186215455, 297944728, 372430910, 744861820, 1489723640]

約数ペア:

[(1, 1489723640), (2, 744861820), (4, 372430910), (5, 297944728), (8, 186215455), (10, 148972364), (20, 74486182), (40, 37243091), (307, 4852520), (614, 2426260), (1228, 1213130), (1535, 970504), (2456, 606565), (3070, 485252), (6140, 242626), (12280, 121313)]