90490820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{2039}}^1$

素因数の和:2372

約数の個数: 48

約数和(自身を含む): 217969920

約数和(自身を除く): 127479100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 317, 634, 1268, 1585, 2039, 2219, 3170, 4078, 4438, 6340, 8156, 8876, 10195, 11095, 14273, 20390, 22190, 28546, 40780, 44380, 57092, 71365, 142730, 285460, 646363, 1292726, 2585452, 3231815, 4524541, 6463630, 9049082, 12927260, 18098164, 22622705, 45245410, 90490820]

約数ペア:

[(1, 90490820), (2, 45245410), (4, 22622705), (5, 18098164), (7, 12927260), (10, 9049082), (14, 6463630), (20, 4524541), (28, 3231815), (35, 2585452), (70, 1292726), (140, 646363), (317, 285460), (634, 142730), (1268, 71365), (1585, 57092), (2039, 44380), (2219, 40780), (3170, 28546), (4078, 22190), (4438, 20390), (6340, 14273), (8156, 11095), (8876, 10195)]