399044360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{69763}}^1$

素因数の和:69798

約数の個数: 64

約数和(自身を含む): 1054831680

約数和(自身を除く): 655787320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 69763, 139526, 279052, 348815, 558104, 697630, 767393, 906919, 1395260, 1534786, 1813838, 2790520, 3069572, 3627676, 3836965, 4534595, 6139144, 7255352, 7673930, 9069190, 9976109, 15347860, 18138380, 19952218, 30695720, 36276760, 39904436, 49880545, 79808872, 99761090, 199522180, 399044360]

約数ペア:

[(1, 399044360), (2, 199522180), (4, 99761090), (5, 79808872), (8, 49880545), (10, 39904436), (11, 36276760), (13, 30695720), (20, 19952218), (22, 18138380), (26, 15347860), (40, 9976109), (44, 9069190), (52, 7673930), (55, 7255352), (65, 6139144), (88, 4534595), (104, 3836965), (110, 3627676), (130, 3069572), (143, 2790520), (220, 1813838), (260, 1534786), (286, 1395260), (440, 906919), (520, 767393), (572, 697630), (715, 558104), (1144, 348815), (1430, 279052), (2860, 139526), (5720, 69763)]