87715880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{44753}}^1$

素因数の和:44778

約数の個数: 48

約数和(自身を含む): 229588020

約数和(自身を除く): 141872140

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, 44753, 89506, 179012, 223765, 313271, 358024, 447530, 626542, 895060, 1253084, 1566355, 1790120, 2192897, 2506168, 3132710, 4385794, 6265420, 8771588, 10964485, 12530840, 17543176, 21928970, 43857940, 87715880]

約数ペア:

[(1, 87715880), (2, 43857940), (4, 21928970), (5, 17543176), (7, 12530840), (8, 10964485), (10, 8771588), (14, 6265420), (20, 4385794), (28, 3132710), (35, 2506168), (40, 2192897), (49, 1790120), (56, 1566355), (70, 1253084), (98, 895060), (140, 626542), (196, 447530), (245, 358024), (280, 313271), (392, 223765), (490, 179012), (980, 89506), (1960, 44753)]