397989160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{1663}}^1$

素因数の和:1898

約数の個数: 64

約数和(自身を含む): 929710080

約数和(自身を除く): 531720920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 193, 248, 310, 386, 620, 772, 965, 1240, 1544, 1663, 1930, 3326, 3860, 5983, 6652, 7720, 8315, 11966, 13304, 16630, 23932, 29915, 33260, 47864, 51553, 59830, 66520, 103106, 119660, 206212, 239320, 257765, 320959, 412424, 515530, 641918, 1031060, 1283836, 1604795, 2062120, 2567672, 3209590, 6419180, 9949729, 12838360, 19899458, 39798916, 49748645, 79597832, 99497290, 198994580, 397989160]

約数ペア:

[(1, 397989160), (2, 198994580), (4, 99497290), (5, 79597832), (8, 49748645), (10, 39798916), (20, 19899458), (31, 12838360), (40, 9949729), (62, 6419180), (124, 3209590), (155, 2567672), (193, 2062120), (248, 1604795), (310, 1283836), (386, 1031060), (620, 641918), (772, 515530), (965, 412424), (1240, 320959), (1544, 257765), (1663, 239320), (1930, 206212), (3326, 119660), (3860, 103106), (5983, 66520), (6652, 59830), (7720, 51553), (8315, 47864), (11966, 33260), (13304, 29915), (16630, 23932)]