69800120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{499}}^1$

素因数の和:792

約数の個数: 64

約数和(自身を含む): 170100000

約数和(自身を除く): 100299880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 269, 499, 520, 538, 998, 1076, 1345, 1996, 2152, 2495, 2690, 3497, 3992, 4990, 5380, 6487, 6994, 9980, 10760, 12974, 13988, 17485, 19960, 25948, 27976, 32435, 34970, 51896, 64870, 69940, 129740, 134231, 139880, 259480, 268462, 536924, 671155, 1073848, 1342310, 1745003, 2684620, 3490006, 5369240, 6980012, 8725015, 13960024, 17450030, 34900060, 69800120]

約数ペア:

[(1, 69800120), (2, 34900060), (4, 17450030), (5, 13960024), (8, 8725015), (10, 6980012), (13, 5369240), (20, 3490006), (26, 2684620), (40, 1745003), (52, 1342310), (65, 1073848), (104, 671155), (130, 536924), (260, 268462), (269, 259480), (499, 139880), (520, 134231), (538, 129740), (998, 69940), (1076, 64870), (1345, 51896), (1996, 34970), (2152, 32435), (2495, 27976), (2690, 25948), (3497, 19960), (3992, 17485), (4990, 13988), (5380, 12974), (6487, 10760), (6994, 9980)]