220304848

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:396

約数の個数: 80

約数和(自身を含む): 470525440

約数和(自身を除く): 250220592

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 97, 124, 152, 194, 241, 248, 304, 388, 482, 496, 589, 776, 964, 1178, 1552, 1843, 1928, 2356, 3007, 3686, 3856, 4579, 4712, 6014, 7372, 7471, 9158, 9424, 12028, 14744, 14942, 18316, 23377, 24056, 29488, 29884, 36632, 46754, 48112, 57133, 59768, 73264, 93508, 114266, 119536, 141949, 187016, 228532, 283898, 374032, 444163, 457064, 567796, 724687, 888326, 914128, 1135592, 1449374, 1776652, 2271184, 2898748, 3553304, 5797496, 7106608, 11594992, 13769053, 27538106, 55076212, 110152424, 220304848]

約数ペア:

[(1, 220304848), (2, 110152424), (4, 55076212), (8, 27538106), (16, 13769053), (19, 11594992), (31, 7106608), (38, 5797496), (62, 3553304), (76, 2898748), (97, 2271184), (124, 1776652), (152, 1449374), (194, 1135592), (241, 914128), (248, 888326), (304, 724687), (388, 567796), (482, 457064), (496, 444163), (589, 374032), (776, 283898), (964, 228532), (1178, 187016), (1552, 141949), (1843, 119536), (1928, 114266), (2356, 93508), (3007, 73264), (3686, 59768), (3856, 57133), (4579, 48112), (4712, 46754), (6014, 36632), (7372, 29884), (7471, 29488), (9158, 24056), (9424, 23377), (12028, 18316), (14744, 14942)]