122689220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{953}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 265891248

約数和(自身を除く): 143202028

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 157, 164, 205, 314, 410, 628, 785, 820, 953, 1570, 1906, 3140, 3812, 4765, 6437, 9530, 12874, 19060, 25748, 32185, 39073, 64370, 78146, 128740, 149621, 156292, 195365, 299242, 390730, 598484, 748105, 781460, 1496210, 2992420, 6134461, 12268922, 24537844, 30672305, 61344610, 122689220]

約数ペア:

[(1, 122689220), (2, 61344610), (4, 30672305), (5, 24537844), (10, 12268922), (20, 6134461), (41, 2992420), (82, 1496210), (157, 781460), (164, 748105), (205, 598484), (314, 390730), (410, 299242), (628, 195365), (785, 156292), (820, 149621), (953, 128740), (1570, 78146), (1906, 64370), (3140, 39073), (3812, 32185), (4765, 25748), (6437, 19060), (9530, 12874)]