90399260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{15749}}^1$

素因数の和:15806

約数の個数: 48

約数和(自身を含む): 222264000

約数和(自身を除く): 131864740

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, 15749, 31498, 62996, 78745, 110243, 157490, 220486, 314980, 440972, 551215, 645709, 1102430, 1291418, 2204860, 2582836, 3228545, 4519963, 6457090, 9039926, 12914180, 18079852, 22599815, 45199630, 90399260]

約数ペア:

[(1, 90399260), (2, 45199630), (4, 22599815), (5, 18079852), (7, 12914180), (10, 9039926), (14, 6457090), (20, 4519963), (28, 3228545), (35, 2582836), (41, 2204860), (70, 1291418), (82, 1102430), (140, 645709), (164, 551215), (205, 440972), (287, 314980), (410, 220486), (574, 157490), (820, 110243), (1148, 78745), (1435, 62996), (2870, 31498), (5740, 15749)]