161749588

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:270

約数の個数: 144

約数和(自身を含む): 402192000

約数和(自身を除く): 240442412

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 29, 44, 49, 52, 58, 77, 91, 98, 116, 143, 154, 182, 196, 199, 203, 286, 308, 319, 364, 377, 398, 406, 539, 572, 637, 638, 754, 796, 812, 1001, 1078, 1274, 1276, 1393, 1421, 1508, 2002, 2156, 2189, 2233, 2548, 2587, 2639, 2786, 2842, 4004, 4147, 4378, 4466, 5174, 5278, 5572, 5684, 5771, 7007, 8294, 8756, 8932, 9751, 10348, 10556, 11542, 14014, 15323, 15631, 16588, 18109, 18473, 19502, 23084, 28028, 28457, 29029, 30646, 31262, 36218, 36946, 39004, 40397, 56914, 58058, 61292, 62524, 63481, 72436, 73892, 75023, 80794, 107261, 113828, 116116, 126763, 126962, 150046, 161588, 199199, 203203, 214522, 253526, 253924, 282779, 300092, 398398, 406406, 429044, 444367, 507052, 525161, 565558, 796796, 812812, 825253, 888734, 1050322, 1131116, 1394393, 1650506, 1777468, 2100644, 2788786, 3110569, 3301012, 3676127, 5577572, 5776771, 6221138, 7352254, 11553542, 12442276, 14704508, 23107084, 40437397, 80874794, 161749588]

約数ペア:

[(1, 161749588), (2, 80874794), (4, 40437397), (7, 23107084), (11, 14704508), (13, 12442276), (14, 11553542), (22, 7352254), (26, 6221138), (28, 5776771), (29, 5577572), (44, 3676127), (49, 3301012), (52, 3110569), (58, 2788786), (77, 2100644), (91, 1777468), (98, 1650506), (116, 1394393), (143, 1131116), (154, 1050322), (182, 888734), (196, 825253), (199, 812812), (203, 796796), (286, 565558), (308, 525161), (319, 507052), (364, 444367), (377, 429044), (398, 406406), (406, 398398), (539, 300092), (572, 282779), (637, 253924), (638, 253526), (754, 214522), (796, 203203), (812, 199199), (1001, 161588), (1078, 150046), (1274, 126962), (1276, 126763), (1393, 116116), (1421, 113828), (1508, 107261), (2002, 80794), (2156, 75023), (2189, 73892), (2233, 72436), (2548, 63481), (2587, 62524), (2639, 61292), (2786, 58058), (2842, 56914), (4004, 40397), (4147, 39004), (4378, 36946), (4466, 36218), (5174, 31262), (5278, 30646), (5572, 29029), (5684, 28457), (5771, 28028), (7007, 23084), (8294, 19502), (8756, 18473), (8932, 18109), (9751, 16588), (10348, 15631), (10556, 15323), (11542, 14014)]