22129900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{587}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 53590320

約数和(自身を除く): 31460420

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 130, 145, 260, 290, 325, 377, 580, 587, 650, 725, 754, 1174, 1300, 1450, 1508, 1885, 2348, 2900, 2935, 3770, 5870, 7540, 7631, 9425, 11740, 14675, 15262, 17023, 18850, 29350, 30524, 34046, 37700, 38155, 58700, 68092, 76310, 85115, 152620, 170230, 190775, 221299, 340460, 381550, 425575, 442598, 763100, 851150, 885196, 1106495, 1702300, 2212990, 4425980, 5532475, 11064950, 22129900]

約数ペア:

[(1, 22129900), (2, 11064950), (4, 5532475), (5, 4425980), (10, 2212990), (13, 1702300), (20, 1106495), (25, 885196), (26, 851150), (29, 763100), (50, 442598), (52, 425575), (58, 381550), (65, 340460), (100, 221299), (116, 190775), (130, 170230), (145, 152620), (260, 85115), (290, 76310), (325, 68092), (377, 58700), (580, 38155), (587, 37700), (650, 34046), (725, 30524), (754, 29350), (1174, 18850), (1300, 17023), (1450, 15262), (1508, 14675), (1885, 11740), (2348, 9425), (2900, 7631), (2935, 7540), (3770, 5870)]