626996920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{30319}}^1$

素因数の和:30388

約数の個数: 64

約数和(自身を含む): 1571788800

約数和(自身を除く): 944791880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1880, 2068, 2585, 4136, 5170, 10340, 20680, 30319, 60638, 121276, 151595, 242552, 303190, 333509, 606380, 667018, 1212760, 1334036, 1424993, 1667545, 2668072, 2849986, 3335090, 5699972, 6670180, 7124965, 11399944, 13340360, 14249930, 15674923, 28499860, 31349846, 56999720, 62699692, 78374615, 125399384, 156749230, 313498460, 626996920]

約数ペア:

[(1, 626996920), (2, 313498460), (4, 156749230), (5, 125399384), (8, 78374615), (10, 62699692), (11, 56999720), (20, 31349846), (22, 28499860), (40, 15674923), (44, 14249930), (47, 13340360), (55, 11399944), (88, 7124965), (94, 6670180), (110, 5699972), (188, 3335090), (220, 2849986), (235, 2668072), (376, 1667545), (440, 1424993), (470, 1334036), (517, 1212760), (940, 667018), (1034, 606380), (1880, 333509), (2068, 303190), (2585, 242552), (4136, 151595), (5170, 121276), (10340, 60638), (20680, 30319)]