4209952100

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{1699}}^1$

素因数の和:2133

約数の個数: 72

約数和(自身を含む): 9296280000

約数和(自身を除く): 5086327900

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 349, 355, 698, 710, 1396, 1420, 1699, 1745, 1775, 3398, 3490, 3550, 6796, 6980, 7100, 8495, 8725, 16990, 17450, 24779, 33980, 34900, 42475, 49558, 84950, 99116, 120629, 123895, 169900, 241258, 247790, 482516, 495580, 592951, 603145, 619475, 1185902, 1206290, 1238950, 2371804, 2412580, 2477900, 2964755, 3015725, 5929510, 6031450, 11859020, 12062900, 14823775, 29647550, 42099521, 59295100, 84199042, 168398084, 210497605, 420995210, 841990420, 1052488025, 2104976050, 4209952100]

約数ペア:

[(1, 4209952100), (2, 2104976050), (4, 1052488025), (5, 841990420), (10, 420995210), (20, 210497605), (25, 168398084), (50, 84199042), (71, 59295100), (100, 42099521), (142, 29647550), (284, 14823775), (349, 12062900), (355, 11859020), (698, 6031450), (710, 5929510), (1396, 3015725), (1420, 2964755), (1699, 2477900), (1745, 2412580), (1775, 2371804), (3398, 1238950), (3490, 1206290), (3550, 1185902), (6796, 619475), (6980, 603145), (7100, 592951), (8495, 495580), (8725, 482516), (16990, 247790), (17450, 241258), (24779, 169900), (33980, 123895), (34900, 120629), (42475, 99116), (49558, 84950)]