248840410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8821}}^1$

素因数の和:8879

約数の個数: 64

約数和(自身を含む): 569124864

約数和(自身を除く): 320284454

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 806, 910, 1085, 2015, 2170, 2821, 4030, 5642, 8821, 14105, 17642, 28210, 44105, 61747, 88210, 114673, 123494, 229346, 273451, 308735, 546902, 573365, 617470, 802711, 1146730, 1367255, 1605422, 1914157, 2734510, 3554863, 3828314, 4013555, 7109726, 8027110, 9570785, 17774315, 19141570, 24884041, 35548630, 49768082, 124420205, 248840410]

約数ペア:

[(1, 248840410), (2, 124420205), (5, 49768082), (7, 35548630), (10, 24884041), (13, 19141570), (14, 17774315), (26, 9570785), (31, 8027110), (35, 7109726), (62, 4013555), (65, 3828314), (70, 3554863), (91, 2734510), (130, 1914157), (155, 1605422), (182, 1367255), (217, 1146730), (310, 802711), (403, 617470), (434, 573365), (455, 546902), (806, 308735), (910, 273451), (1085, 229346), (2015, 123494), (2170, 114673), (2821, 88210), (4030, 61747), (5642, 44105), (8821, 28210), (14105, 17642)]