91255220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{1033}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 219571968

約数和(自身を除く): 128316748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 631, 1033, 1262, 2066, 2524, 3155, 4132, 4417, 5165, 6310, 7231, 8834, 10330, 12620, 14462, 17668, 20660, 22085, 28924, 36155, 44170, 72310, 88340, 144620, 651823, 1303646, 2607292, 3259115, 4562761, 6518230, 9125522, 13036460, 18251044, 22813805, 45627610, 91255220]

約数ペア:

[(1, 91255220), (2, 45627610), (4, 22813805), (5, 18251044), (7, 13036460), (10, 9125522), (14, 6518230), (20, 4562761), (28, 3259115), (35, 2607292), (70, 1303646), (140, 651823), (631, 144620), (1033, 88340), (1262, 72310), (2066, 44170), (2524, 36155), (3155, 28924), (4132, 22085), (4417, 20660), (5165, 17668), (6310, 14462), (7231, 12620), (8834, 10330)]