209314360

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{739}}^1$

素因数の和:920

約数の個数: 64

約数和(自身を含む): 482983200

約数和(自身を除く): 273668840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 97, 146, 194, 292, 365, 388, 485, 584, 730, 739, 776, 970, 1460, 1478, 1940, 2920, 2956, 3695, 3880, 5912, 7081, 7390, 14162, 14780, 28324, 29560, 35405, 53947, 56648, 70810, 71683, 107894, 141620, 143366, 215788, 269735, 283240, 286732, 358415, 431576, 539470, 573464, 716830, 1078940, 1433660, 2157880, 2867320, 5232859, 10465718, 20931436, 26164295, 41862872, 52328590, 104657180, 209314360]

約数ペア:

[(1, 209314360), (2, 104657180), (4, 52328590), (5, 41862872), (8, 26164295), (10, 20931436), (20, 10465718), (40, 5232859), (73, 2867320), (97, 2157880), (146, 1433660), (194, 1078940), (292, 716830), (365, 573464), (388, 539470), (485, 431576), (584, 358415), (730, 286732), (739, 283240), (776, 269735), (970, 215788), (1460, 143366), (1478, 141620), (1940, 107894), (2920, 71683), (2956, 70810), (3695, 56648), (3880, 53947), (5912, 35405), (7081, 29560), (7390, 28324), (14162, 14780)]