42825620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{449}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 95256000

約数和(自身を除く): 52430380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 251, 380, 449, 502, 898, 1004, 1255, 1796, 2245, 2510, 4490, 4769, 5020, 8531, 8980, 9538, 17062, 19076, 23845, 34124, 42655, 47690, 85310, 95380, 112699, 170620, 225398, 450796, 563495, 1126990, 2141281, 2253980, 4282562, 8565124, 10706405, 21412810, 42825620]

約数ペア:

[(1, 42825620), (2, 21412810), (4, 10706405), (5, 8565124), (10, 4282562), (19, 2253980), (20, 2141281), (38, 1126990), (76, 563495), (95, 450796), (190, 225398), (251, 170620), (380, 112699), (449, 95380), (502, 85310), (898, 47690), (1004, 42655), (1255, 34124), (1796, 23845), (2245, 19076), (2510, 17062), (4490, 9538), (4769, 8980), (5020, 8531)]