87689980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{15277}}^1$

素因数の和:15334

約数の個数: 48

約数和(自身を含む): 215603136

約数和(自身を除く): 127913156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 15277, 30554, 61108, 76385, 106939, 152770, 213878, 305540, 427756, 534695, 626357, 1069390, 1252714, 2138780, 2505428, 3131785, 4384499, 6263570, 8768998, 12527140, 17537996, 21922495, 43844990, 87689980]

約数ペア:

[(1, 87689980), (2, 43844990), (4, 21922495), (5, 17537996), (7, 12527140), (10, 8768998), (14, 6263570), (20, 4384499), (28, 3131785), (35, 2505428), (41, 2138780), (70, 1252714), (82, 1069390), (140, 626357), (164, 534695), (205, 427756), (287, 305540), (410, 213878), (574, 152770), (820, 106939), (1148, 76385), (1435, 61108), (2870, 30554), (5740, 15277)]