133658920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2477}}^1$

素因数の和:2578

約数の個数: 64

約数和(自身を含む): 321148800

約数和(自身を除く): 187489880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 2477, 2698, 2840, 4954, 5396, 6745, 9908, 10792, 12385, 13490, 19816, 24770, 26980, 47063, 49540, 53960, 94126, 99080, 175867, 188252, 235315, 351734, 376504, 470630, 703468, 879335, 941260, 1406936, 1758670, 1882520, 3341473, 3517340, 6682946, 7034680, 13365892, 16707365, 26731784, 33414730, 66829460, 133658920]

約数ペア:

[(1, 133658920), (2, 66829460), (4, 33414730), (5, 26731784), (8, 16707365), (10, 13365892), (19, 7034680), (20, 6682946), (38, 3517340), (40, 3341473), (71, 1882520), (76, 1758670), (95, 1406936), (142, 941260), (152, 879335), (190, 703468), (284, 470630), (355, 376504), (380, 351734), (568, 235315), (710, 188252), (760, 175867), (1349, 99080), (1420, 94126), (2477, 53960), (2698, 49540), (2840, 47063), (4954, 26980), (5396, 24770), (6745, 19816), (9908, 13490), (10792, 12385)]