478988120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{7253}}^1$

素因数の和:7404

約数の個数: 64

約数和(自身を含む): 1169925120

約数和(自身を除く): 690937000

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 254, 260, 508, 520, 635, 1016, 1270, 1651, 2540, 3302, 5080, 6604, 7253, 8255, 13208, 14506, 16510, 29012, 33020, 36265, 58024, 66040, 72530, 94289, 145060, 188578, 290120, 377156, 471445, 754312, 921131, 942890, 1842262, 1885780, 3684524, 3771560, 4605655, 7369048, 9211310, 11974703, 18422620, 23949406, 36845240, 47898812, 59873515, 95797624, 119747030, 239494060, 478988120]

約数ペア:

[(1, 478988120), (2, 239494060), (4, 119747030), (5, 95797624), (8, 59873515), (10, 47898812), (13, 36845240), (20, 23949406), (26, 18422620), (40, 11974703), (52, 9211310), (65, 7369048), (104, 4605655), (127, 3771560), (130, 3684524), (254, 1885780), (260, 1842262), (508, 942890), (520, 921131), (635, 754312), (1016, 471445), (1270, 377156), (1651, 290120), (2540, 188578), (3302, 145060), (5080, 94289), (6604, 72530), (7253, 66040), (8255, 58024), (13208, 36265), (14506, 33020), (16510, 29012)]