220153250

素因数分解:

$2^1\times 5^3\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 425917440

約数和(自身を除く): 205764190

約数列:

[1, 2, 5, 10, 25, 50, 71, 79, 125, 142, 157, 158, 250, 314, 355, 395, 710, 785, 790, 1570, 1775, 1975, 3550, 3925, 3950, 5609, 7850, 8875, 9875, 11147, 11218, 12403, 17750, 19625, 19750, 22294, 24806, 28045, 39250, 55735, 56090, 62015, 111470, 124030, 140225, 278675, 280450, 310075, 557350, 620150, 701125, 880613, 1393375, 1402250, 1550375, 1761226, 2786750, 3100750, 4403065, 8806130, 22015325, 44030650, 110076625, 220153250]

約数ペア:

[(1, 220153250), (2, 110076625), (5, 44030650), (10, 22015325), (25, 8806130), (50, 4403065), (71, 3100750), (79, 2786750), (125, 1761226), (142, 1550375), (157, 1402250), (158, 1393375), (250, 880613), (314, 701125), (355, 620150), (395, 557350), (710, 310075), (785, 280450), (790, 278675), (1570, 140225), (1775, 124030), (1975, 111470), (3550, 62015), (3925, 56090), (3950, 55735), (5609, 39250), (7850, 28045), (8875, 24806), (9875, 22294), (11147, 19750), (11218, 19625), (12403, 17750)]