128408980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{2459}}^1$

素因数の和:2848

約数の個数: 48

約数和(自身を含む): 309133440

約数和(自身を除く): 180724460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 373, 746, 1492, 1865, 2459, 2611, 3730, 4918, 5222, 7460, 9836, 10444, 12295, 13055, 17213, 24590, 26110, 34426, 49180, 52220, 68852, 86065, 172130, 344260, 917207, 1834414, 3668828, 4586035, 6420449, 9172070, 12840898, 18344140, 25681796, 32102245, 64204490, 128408980]

約数ペア:

[(1, 128408980), (2, 64204490), (4, 32102245), (5, 25681796), (7, 18344140), (10, 12840898), (14, 9172070), (20, 6420449), (28, 4586035), (35, 3668828), (70, 1834414), (140, 917207), (373, 344260), (746, 172130), (1492, 86065), (1865, 68852), (2459, 52220), (2611, 49180), (3730, 34426), (4918, 26110), (5222, 24590), (7460, 17213), (9836, 13055), (10444, 12295)]