51113860

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{7451}}^1$

素因数の和:7481

約数の個数: 48

約数和(自身を含む): 125193600

約数和(自身を除く): 74079740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 7451, 14902, 29804, 37255, 52157, 74510, 104314, 149020, 208628, 260785, 365099, 521570, 730198, 1043140, 1460396, 1825495, 2555693, 3650990, 5111386, 7301980, 10222772, 12778465, 25556930, 51113860]

約数ペア:

[(1, 51113860), (2, 25556930), (4, 12778465), (5, 10222772), (7, 7301980), (10, 5111386), (14, 3650990), (20, 2555693), (28, 1825495), (35, 1460396), (49, 1043140), (70, 730198), (98, 521570), (140, 365099), (196, 260785), (245, 208628), (343, 149020), (490, 104314), (686, 74510), (980, 52157), (1372, 37255), (1715, 29804), (3430, 14902), (6860, 7451)]