208031790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1\times {\mathrm{491}}^1$

素因数の和:1017

約数の個数: 64

約数和(自身を含む): 518607360

約数和(自身を除く): 310575570

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 487, 491, 870, 974, 982, 1461, 1473, 2435, 2455, 2922, 2946, 4870, 4910, 7305, 7365, 14123, 14239, 14610, 14730, 28246, 28478, 42369, 42717, 70615, 71195, 84738, 85434, 141230, 142390, 211845, 213585, 239117, 423690, 427170, 478234, 717351, 1195585, 1434702, 2391170, 3586755, 6934393, 7173510, 13868786, 20803179, 34671965, 41606358, 69343930, 104015895, 208031790]

約数ペア:

[(1, 208031790), (2, 104015895), (3, 69343930), (5, 41606358), (6, 34671965), (10, 20803179), (15, 13868786), (29, 7173510), (30, 6934393), (58, 3586755), (87, 2391170), (145, 1434702), (174, 1195585), (290, 717351), (435, 478234), (487, 427170), (491, 423690), (870, 239117), (974, 213585), (982, 211845), (1461, 142390), (1473, 141230), (2435, 85434), (2455, 84738), (2922, 71195), (2946, 70615), (4870, 42717), (4910, 42369), (7305, 28478), (7365, 28246), (14123, 14730), (14239, 14610)]