203886320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{523}}^1$

素因数の和:990

約数の個数: 80

約数和(自身を含む): 519288192

約数和(自身を除く): 315401872

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 443, 523, 880, 886, 1046, 1772, 2092, 2215, 2615, 3544, 4184, 4430, 4873, 5230, 5753, 7088, 8368, 8860, 9746, 10460, 11506, 17720, 19492, 20920, 23012, 24365, 28765, 35440, 38984, 41840, 46024, 48730, 57530, 77968, 92048, 97460, 115060, 194920, 230120, 231689, 389840, 460240, 463378, 926756, 1158445, 1853512, 2316890, 2548579, 3707024, 4633780, 5097158, 9267560, 10194316, 12742895, 18535120, 20388632, 25485790, 40777264, 50971580, 101943160, 203886320]

約数ペア:

[(1, 203886320), (2, 101943160), (4, 50971580), (5, 40777264), (8, 25485790), (10, 20388632), (11, 18535120), (16, 12742895), (20, 10194316), (22, 9267560), (40, 5097158), (44, 4633780), (55, 3707024), (80, 2548579), (88, 2316890), (110, 1853512), (176, 1158445), (220, 926756), (440, 463378), (443, 460240), (523, 389840), (880, 231689), (886, 230120), (1046, 194920), (1772, 115060), (2092, 97460), (2215, 92048), (2615, 77968), (3544, 57530), (4184, 48730), (4430, 46024), (4873, 41840), (5230, 38984), (5753, 35440), (7088, 28765), (8368, 24365), (8860, 23012), (9746, 20920), (10460, 19492), (11506, 17720)]