90680920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10847}}^1$

素因数の和:10888

約数の個数: 64

約数和(自身を含む): 234316800

約数和(自身を除く): 143635880

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 10847, 21694, 43388, 54235, 86776, 108470, 119317, 206093, 216940, 238634, 412186, 433880, 477268, 596585, 824372, 954536, 1030465, 1193170, 1648744, 2060930, 2267023, 2386340, 4121860, 4534046, 4772680, 8243720, 9068092, 11335115, 18136184, 22670230, 45340460, 90680920]

約数ペア:

[(1, 90680920), (2, 45340460), (4, 22670230), (5, 18136184), (8, 11335115), (10, 9068092), (11, 8243720), (19, 4772680), (20, 4534046), (22, 4121860), (38, 2386340), (40, 2267023), (44, 2060930), (55, 1648744), (76, 1193170), (88, 1030465), (95, 954536), (110, 824372), (152, 596585), (190, 477268), (209, 433880), (220, 412186), (380, 238634), (418, 216940), (440, 206093), (760, 119317), (836, 108470), (1045, 86776), (1672, 54235), (2090, 43388), (4180, 21694), (8360, 10847)]