977981620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{27611}}^1$

素因数の和:27661

約数の個数: 96

約数和(自身を含む): 2671958016

約数和(自身を除く): 1693976396

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 140, 154, 161, 220, 230, 253, 308, 322, 385, 460, 506, 644, 770, 805, 1012, 1265, 1540, 1610, 1771, 2530, 3220, 3542, 5060, 7084, 8855, 17710, 27611, 35420, 55222, 110444, 138055, 193277, 276110, 303721, 386554, 552220, 607442, 635053, 773108, 966385, 1214884, 1270106, 1518605, 1932770, 2126047, 2540212, 3037210, 3175265, 3865540, 4252094, 4445371, 6074420, 6350530, 6985583, 8504188, 8890742, 10630235, 12701060, 13971166, 17781484, 21260470, 22226855, 27942332, 34927915, 42520940, 44453710, 48899081, 69855830, 88907420, 97798162, 139711660, 195596324, 244495405, 488990810, 977981620]

約数ペア:

[(1, 977981620), (2, 488990810), (4, 244495405), (5, 195596324), (7, 139711660), (10, 97798162), (11, 88907420), (14, 69855830), (20, 48899081), (22, 44453710), (23, 42520940), (28, 34927915), (35, 27942332), (44, 22226855), (46, 21260470), (55, 17781484), (70, 13971166), (77, 12701060), (92, 10630235), (110, 8890742), (115, 8504188), (140, 6985583), (154, 6350530), (161, 6074420), (220, 4445371), (230, 4252094), (253, 3865540), (308, 3175265), (322, 3037210), (385, 2540212), (460, 2126047), (506, 1932770), (644, 1518605), (770, 1270106), (805, 1214884), (1012, 966385), (1265, 773108), (1540, 635053), (1610, 607442), (1771, 552220), (2530, 386554), (3220, 303721), (3542, 276110), (5060, 193277), (7084, 138055), (8855, 110444), (17710, 55222), (27611, 35420)]