8265549202420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{70289}}^1\times {\mathrm{39461}}^1$

素因数の和:109908

約数の個数: 48

約数和(自身を含む): 17474839074000

約数和(自身を除く): 9209289871580

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 39461, 70289, 78922, 140578, 157844, 197305, 281156, 351445, 394610, 702890, 789220, 1405780, 5879689, 10473061, 11759378, 20946122, 23518756, 29398445, 41892244, 52365305, 58796890, 104730610, 117593780, 209461220, 2773674229, 5547348458, 11094696916, 13868371145, 27736742290, 55473484580, 413277460121, 826554920242, 1653109840484, 2066387300605, 4132774601210, 8265549202420]

約数ペア:

[(1, 8265549202420), (2, 4132774601210), (4, 2066387300605), (5, 1653109840484), (10, 826554920242), (20, 413277460121), (149, 55473484580), (298, 27736742290), (596, 13868371145), (745, 11094696916), (1490, 5547348458), (2980, 2773674229), (39461, 209461220), (70289, 117593780), (78922, 104730610), (140578, 58796890), (157844, 52365305), (197305, 41892244), (281156, 29398445), (351445, 23518756), (394610, 20946122), (702890, 11759378), (789220, 10473061), (1405780, 5879689)]