451939240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{185221}}^1$

素因数の和:185293

約数の個数: 32

約数和(自身を含む): 1033538760

約数和(自身を除く): 581599520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 185221, 370442, 740884, 926105, 1481768, 1852210, 3704420, 7408840, 11298481, 22596962, 45193924, 56492405, 90387848, 112984810, 225969620, 451939240]

約数ペア:

[(1, 451939240), (2, 225969620), (4, 112984810), (5, 90387848), (8, 56492405), (10, 45193924), (20, 22596962), (40, 11298481), (61, 7408840), (122, 3704420), (244, 1852210), (305, 1481768), (488, 926105), (610, 740884), (1220, 370442), (2440, 185221)]