88990090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 190003968

約数和(自身を除く): 101013878

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 101, 202, 205, 287, 307, 410, 505, 574, 614, 707, 1010, 1414, 1435, 1535, 2149, 2870, 3070, 3535, 4141, 4298, 7070, 8282, 10745, 12587, 20705, 21490, 25174, 28987, 31007, 41410, 57974, 62014, 62935, 88109, 125870, 144935, 155035, 176218, 217049, 289870, 310070, 434098, 440545, 881090, 1085245, 1271287, 2170490, 2542574, 6356435, 8899009, 12712870, 17798018, 44495045, 88990090]

約数ペア:

[(1, 88990090), (2, 44495045), (5, 17798018), (7, 12712870), (10, 8899009), (14, 6356435), (35, 2542574), (41, 2170490), (70, 1271287), (82, 1085245), (101, 881090), (202, 440545), (205, 434098), (287, 310070), (307, 289870), (410, 217049), (505, 176218), (574, 155035), (614, 144935), (707, 125870), (1010, 88109), (1414, 62935), (1435, 62014), (1535, 57974), (2149, 41410), (2870, 31007), (3070, 28987), (3535, 25174), (4141, 21490), (4298, 20705), (7070, 12587), (8282, 10745)]