804948680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:367

約数の個数: 128

約数和(自身を含む): 1968624000

約数和(自身を除く): 1163675320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 97, 122, 152, 179, 190, 194, 244, 305, 358, 380, 388, 485, 488, 610, 716, 760, 776, 895, 970, 1159, 1220, 1432, 1790, 1843, 1940, 2318, 2440, 3401, 3580, 3686, 3880, 4636, 5795, 5917, 6802, 7160, 7372, 9215, 9272, 10919, 11590, 11834, 13604, 14744, 17005, 17363, 18430, 21838, 23180, 23668, 27208, 29585, 34010, 34726, 36860, 43676, 46360, 47336, 54595, 59170, 68020, 69452, 73720, 86815, 87352, 109190, 112423, 118340, 136040, 138904, 173630, 207461, 218380, 224846, 236680, 329897, 347260, 414922, 436760, 449692, 562115, 659794, 694520, 829844, 899384, 1037305, 1059143, 1124230, 1319588, 1649485, 1659688, 2074610, 2118286, 2248460, 2639176, 3298970, 4149220, 4236572, 4496920, 5295715, 6597940, 8298440, 8473144, 10591430, 13195880, 20123717, 21182860, 40247434, 42365720, 80494868, 100618585, 160989736, 201237170, 402474340, 804948680]

約数ペア:

[(1, 804948680), (2, 402474340), (4, 201237170), (5, 160989736), (8, 100618585), (10, 80494868), (19, 42365720), (20, 40247434), (38, 21182860), (40, 20123717), (61, 13195880), (76, 10591430), (95, 8473144), (97, 8298440), (122, 6597940), (152, 5295715), (179, 4496920), (190, 4236572), (194, 4149220), (244, 3298970), (305, 2639176), (358, 2248460), (380, 2118286), (388, 2074610), (485, 1659688), (488, 1649485), (610, 1319588), (716, 1124230), (760, 1059143), (776, 1037305), (895, 899384), (970, 829844), (1159, 694520), (1220, 659794), (1432, 562115), (1790, 449692), (1843, 436760), (1940, 414922), (2318, 347260), (2440, 329897), (3401, 236680), (3580, 224846), (3686, 218380), (3880, 207461), (4636, 173630), (5795, 138904), (5917, 136040), (6802, 118340), (7160, 112423), (7372, 109190), (9215, 87352), (9272, 86815), (10919, 73720), (11590, 69452), (11834, 68020), (13604, 59170), (14744, 54595), (17005, 47336), (17363, 46360), (18430, 43676), (21838, 36860), (23180, 34726), (23668, 34010), (27208, 29585)]