644665364

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:670

約数の個数: 108

約数和(自身を含む): 1469916000

約数和(自身を除く): 825250636

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 49, 68, 76, 98, 119, 133, 196, 238, 266, 289, 323, 476, 532, 578, 599, 646, 833, 931, 1156, 1198, 1292, 1666, 1862, 2023, 2261, 2396, 3332, 3724, 4046, 4193, 4522, 5491, 8092, 8386, 9044, 10183, 10982, 11381, 14161, 15827, 16772, 20366, 21964, 22762, 28322, 29351, 31654, 38437, 40732, 45524, 56644, 58702, 63308, 71281, 76874, 79667, 117404, 142562, 153748, 159334, 173111, 193477, 269059, 285124, 318668, 346222, 386954, 498967, 538118, 557669, 692444, 773908, 997934, 1076236, 1115338, 1211777, 1354339, 1995868, 2230676, 2423554, 2708678, 3289109, 4847108, 5417356, 6578218, 8482439, 9480373, 13156436, 16964878, 18960746, 23023763, 33929756, 37921492, 46047526, 92095052, 161166341, 322332682, 644665364]

約数ペア:

[(1, 644665364), (2, 322332682), (4, 161166341), (7, 92095052), (14, 46047526), (17, 37921492), (19, 33929756), (28, 23023763), (34, 18960746), (38, 16964878), (49, 13156436), (68, 9480373), (76, 8482439), (98, 6578218), (119, 5417356), (133, 4847108), (196, 3289109), (238, 2708678), (266, 2423554), (289, 2230676), (323, 1995868), (476, 1354339), (532, 1211777), (578, 1115338), (599, 1076236), (646, 997934), (833, 773908), (931, 692444), (1156, 557669), (1198, 538118), (1292, 498967), (1666, 386954), (1862, 346222), (2023, 318668), (2261, 285124), (2396, 269059), (3332, 193477), (3724, 173111), (4046, 159334), (4193, 153748), (4522, 142562), (5491, 117404), (8092, 79667), (8386, 76874), (9044, 71281), (10183, 63308), (10982, 58702), (11381, 56644), (14161, 45524), (15827, 40732), (16772, 38437), (20366, 31654), (21964, 29351), (22762, 28322)]