289344220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{27983}}^1$

素因数の和:28050

約数の個数: 48

約数和(自身を含む): 676988928

約数和(自身を除く): 387644708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2585, 5170, 10340, 27983, 55966, 111932, 139915, 279830, 307813, 559660, 615626, 1231252, 1315201, 1539065, 2630402, 3078130, 5260804, 6156260, 6576005, 13152010, 14467211, 26304020, 28934422, 57868844, 72336055, 144672110, 289344220]

約数ペア:

[(1, 289344220), (2, 144672110), (4, 72336055), (5, 57868844), (10, 28934422), (11, 26304020), (20, 14467211), (22, 13152010), (44, 6576005), (47, 6156260), (55, 5260804), (94, 3078130), (110, 2630402), (188, 1539065), (220, 1315201), (235, 1231252), (470, 615626), (517, 559660), (940, 307813), (1034, 279830), (2068, 139915), (2585, 111932), (5170, 55966), (10340, 27983)]