187400290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1223}}^1$

素因数の和:1447

約数の個数: 64

約数和(自身を含む): 423014400

約数和(自身を除く): 235614110

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 199, 385, 398, 770, 995, 1223, 1393, 1990, 2189, 2446, 2786, 4378, 6115, 6965, 8561, 10945, 12230, 13453, 13930, 15323, 17122, 21890, 26906, 30646, 42805, 67265, 76615, 85610, 94171, 134530, 153230, 188342, 243377, 470855, 486754, 941710, 1216885, 1703639, 2433770, 2677147, 3407278, 5354294, 8518195, 13385735, 17036390, 18740029, 26771470, 37480058, 93700145, 187400290]

約数ペア:

[(1, 187400290), (2, 93700145), (5, 37480058), (7, 26771470), (10, 18740029), (11, 17036390), (14, 13385735), (22, 8518195), (35, 5354294), (55, 3407278), (70, 2677147), (77, 2433770), (110, 1703639), (154, 1216885), (199, 941710), (385, 486754), (398, 470855), (770, 243377), (995, 188342), (1223, 153230), (1393, 134530), (1990, 94171), (2189, 85610), (2446, 76615), (2786, 67265), (4378, 42805), (6115, 30646), (6965, 26906), (8561, 21890), (10945, 17122), (12230, 15323), (13453, 13930)]