210050500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:422

約数の個数: 96

約数和(自身を含む): 505604736

約数和(自身を除く): 295554236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 181, 211, 220, 250, 275, 362, 422, 500, 550, 724, 844, 905, 1055, 1100, 1375, 1810, 1991, 2110, 2321, 2750, 3620, 3982, 4220, 4525, 4642, 5275, 5500, 7964, 9050, 9284, 9955, 10550, 11605, 18100, 19910, 21100, 22625, 23210, 26375, 38191, 39820, 45250, 46420, 49775, 52750, 58025, 76382, 90500, 99550, 105500, 116050, 152764, 190955, 199100, 232100, 248875, 290125, 381910, 420101, 497750, 580250, 763820, 840202, 954775, 995500, 1160500, 1680404, 1909550, 2100505, 3819100, 4201010, 4773875, 8402020, 9547750, 10502525, 19095500, 21005050, 42010100, 52512625, 105025250, 210050500]

約数ペア:

[(1, 210050500), (2, 105025250), (4, 52512625), (5, 42010100), (10, 21005050), (11, 19095500), (20, 10502525), (22, 9547750), (25, 8402020), (44, 4773875), (50, 4201010), (55, 3819100), (100, 2100505), (110, 1909550), (125, 1680404), (181, 1160500), (211, 995500), (220, 954775), (250, 840202), (275, 763820), (362, 580250), (422, 497750), (500, 420101), (550, 381910), (724, 290125), (844, 248875), (905, 232100), (1055, 199100), (1100, 190955), (1375, 152764), (1810, 116050), (1991, 105500), (2110, 99550), (2321, 90500), (2750, 76382), (3620, 58025), (3982, 52750), (4220, 49775), (4525, 46420), (4642, 45250), (5275, 39820), (5500, 38191), (7964, 26375), (9050, 23210), (9284, 22625), (9955, 21100), (10550, 19910), (11605, 18100)]