285182020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:665

約数の個数: 96

約数和(自身を含む): 667054080

約数和(自身を除く): 381872060

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 43, 62, 76, 86, 95, 124, 155, 172, 190, 215, 310, 380, 430, 563, 589, 620, 817, 860, 1126, 1178, 1333, 1634, 2252, 2356, 2666, 2815, 2945, 3268, 4085, 5332, 5630, 5890, 6665, 8170, 10697, 11260, 11780, 13330, 16340, 17453, 21394, 24209, 25327, 26660, 34906, 42788, 48418, 50654, 53485, 69812, 87265, 96836, 101308, 106970, 121045, 126635, 174530, 213940, 242090, 253270, 331607, 349060, 459971, 484180, 506540, 663214, 750479, 919942, 1326428, 1500958, 1658035, 1839884, 2299855, 3001916, 3316070, 3752395, 4599710, 6632140, 7504790, 9199420, 14259101, 15009580, 28518202, 57036404, 71295505, 142591010, 285182020]

約数ペア:

[(1, 285182020), (2, 142591010), (4, 71295505), (5, 57036404), (10, 28518202), (19, 15009580), (20, 14259101), (31, 9199420), (38, 7504790), (43, 6632140), (62, 4599710), (76, 3752395), (86, 3316070), (95, 3001916), (124, 2299855), (155, 1839884), (172, 1658035), (190, 1500958), (215, 1326428), (310, 919942), (380, 750479), (430, 663214), (563, 506540), (589, 484180), (620, 459971), (817, 349060), (860, 331607), (1126, 253270), (1178, 242090), (1333, 213940), (1634, 174530), (2252, 126635), (2356, 121045), (2666, 106970), (2815, 101308), (2945, 96836), (3268, 87265), (4085, 69812), (5332, 53485), (5630, 50654), (5890, 48418), (6665, 42788), (8170, 34906), (10697, 26660), (11260, 25327), (11780, 24209), (13330, 21394), (16340, 17453)]