28458100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{631}}^1$

素因数の和:697

約数の個数: 72

約数和(自身を含む): 69120576

約数和(自身を除く): 40662476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 205, 220, 275, 410, 451, 550, 631, 820, 902, 1025, 1100, 1262, 1804, 2050, 2255, 2524, 3155, 4100, 4510, 6310, 6941, 9020, 11275, 12620, 13882, 15775, 22550, 25871, 27764, 31550, 34705, 45100, 51742, 63100, 69410, 103484, 129355, 138820, 173525, 258710, 284581, 347050, 517420, 569162, 646775, 694100, 1138324, 1293550, 1422905, 2587100, 2845810, 5691620, 7114525, 14229050, 28458100]

約数ペア:

[(1, 28458100), (2, 14229050), (4, 7114525), (5, 5691620), (10, 2845810), (11, 2587100), (20, 1422905), (22, 1293550), (25, 1138324), (41, 694100), (44, 646775), (50, 569162), (55, 517420), (82, 347050), (100, 284581), (110, 258710), (164, 173525), (205, 138820), (220, 129355), (275, 103484), (410, 69410), (451, 63100), (550, 51742), (631, 45100), (820, 34705), (902, 31550), (1025, 27764), (1100, 25871), (1262, 22550), (1804, 15775), (2050, 13882), (2255, 12620), (2524, 11275), (3155, 9020), (4100, 6941), (4510, 6310)]