2079761420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{86729}}^1$

素因数の和:86858

約数の個数: 48

約数和(自身を含む): 4808311200

約数和(自身を除く): 2728549780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 4796, 5995, 11990, 23980, 86729, 173458, 346916, 433645, 867290, 954019, 1734580, 1908038, 3816076, 4770095, 9453461, 9540190, 18906922, 19080380, 37813844, 47267305, 94534610, 103988071, 189069220, 207976142, 415952284, 519940355, 1039880710, 2079761420]

約数ペア:

[(1, 2079761420), (2, 1039880710), (4, 519940355), (5, 415952284), (10, 207976142), (11, 189069220), (20, 103988071), (22, 94534610), (44, 47267305), (55, 37813844), (109, 19080380), (110, 18906922), (218, 9540190), (220, 9453461), (436, 4770095), (545, 3816076), (1090, 1908038), (1199, 1734580), (2180, 954019), (2398, 867290), (4796, 433645), (5995, 346916), (11990, 173458), (23980, 86729)]