20888973050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{254899}}^1$

素因数の和:255071

約数の個数: 48

約数和(自身を含む): 42670260000

約数和(自身を除く): 21781286950

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 149, 275, 298, 550, 745, 1490, 1639, 3278, 3725, 7450, 8195, 16390, 40975, 81950, 254899, 509798, 1274495, 2548990, 2803889, 5607778, 6372475, 12744950, 14019445, 28038890, 37979951, 70097225, 75959902, 140194450, 189899755, 379799510, 417779461, 835558922, 949498775, 1898997550, 2088897305, 4177794610, 10444486525, 20888973050]

約数ペア:

[(1, 20888973050), (2, 10444486525), (5, 4177794610), (10, 2088897305), (11, 1898997550), (22, 949498775), (25, 835558922), (50, 417779461), (55, 379799510), (110, 189899755), (149, 140194450), (275, 75959902), (298, 70097225), (550, 37979951), (745, 28038890), (1490, 14019445), (1639, 12744950), (3278, 6372475), (3725, 5607778), (7450, 2803889), (8195, 2548990), (16390, 1274495), (40975, 509798), (81950, 254899)]