91398920

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{277}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 211068720

約数和(自身を除く): 119669800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 113, 146, 226, 277, 292, 365, 452, 554, 565, 584, 730, 904, 1108, 1130, 1385, 1460, 2216, 2260, 2770, 2920, 4520, 5540, 8249, 11080, 16498, 20221, 31301, 32996, 40442, 41245, 62602, 65992, 80884, 82490, 101105, 125204, 156505, 161768, 164980, 202210, 250408, 313010, 329960, 404420, 626020, 808840, 1252040, 2284973, 4569946, 9139892, 11424865, 18279784, 22849730, 45699460, 91398920]

約数ペア:

[(1, 91398920), (2, 45699460), (4, 22849730), (5, 18279784), (8, 11424865), (10, 9139892), (20, 4569946), (40, 2284973), (73, 1252040), (113, 808840), (146, 626020), (226, 404420), (277, 329960), (292, 313010), (365, 250408), (452, 202210), (554, 164980), (565, 161768), (584, 156505), (730, 125204), (904, 101105), (1108, 82490), (1130, 80884), (1385, 65992), (1460, 62602), (2216, 41245), (2260, 40442), (2770, 32996), (2920, 31301), (4520, 20221), (5540, 16498), (8249, 11080)]