126366760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{499}}^1$

素因数の和:1010

約数の個数: 64

約数和(自身を含む): 307440000

約数和(自身を除く): 181073240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 487, 499, 520, 974, 998, 1948, 1996, 2435, 2495, 3896, 3992, 4870, 4990, 6331, 6487, 9740, 9980, 12662, 12974, 19480, 19960, 25324, 25948, 31655, 32435, 50648, 51896, 63310, 64870, 126620, 129740, 243013, 253240, 259480, 486026, 972052, 1215065, 1944104, 2430130, 3159169, 4860260, 6318338, 9720520, 12636676, 15795845, 25273352, 31591690, 63183380, 126366760]

約数ペア:

[(1, 126366760), (2, 63183380), (4, 31591690), (5, 25273352), (8, 15795845), (10, 12636676), (13, 9720520), (20, 6318338), (26, 4860260), (40, 3159169), (52, 2430130), (65, 1944104), (104, 1215065), (130, 972052), (260, 486026), (487, 259480), (499, 253240), (520, 243013), (974, 129740), (998, 126620), (1948, 64870), (1996, 63310), (2435, 51896), (2495, 50648), (3896, 32435), (3992, 31655), (4870, 25948), (4990, 25324), (6331, 19960), (6487, 19480), (9740, 12974), (9980, 12662)]