83709640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{42709}}^1$

素因数の和:42734

約数の個数: 48

約数和(自身を含む): 219102300

約数和(自身を除く): 135392660

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 42709, 85418, 170836, 213545, 298963, 341672, 427090, 597926, 854180, 1195852, 1494815, 1708360, 2092741, 2391704, 2989630, 4185482, 5979260, 8370964, 10463705, 11958520, 16741928, 20927410, 41854820, 83709640]

約数ペア:

[(1, 83709640), (2, 41854820), (4, 20927410), (5, 16741928), (7, 11958520), (8, 10463705), (10, 8370964), (14, 5979260), (20, 4185482), (28, 2989630), (35, 2391704), (40, 2092741), (49, 1708360), (56, 1494815), (70, 1195852), (98, 854180), (140, 597926), (196, 427090), (245, 341672), (280, 298963), (392, 213545), (490, 170836), (980, 85418), (1960, 42709)]