409660340

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{85703}}^1$

素因数の和:85951

約数の個数: 24

約数和(自身を含む): 863896320

約数和(自身を除く): 454235980

約数列:

[1, 2, 4, 5, 10, 20, 239, 478, 956, 1195, 2390, 4780, 85703, 171406, 342812, 428515, 857030, 1714060, 20483017, 40966034, 81932068, 102415085, 204830170, 409660340]

約数ペア:

[(1, 409660340), (2, 204830170), (4, 102415085), (5, 81932068), (10, 40966034), (20, 20483017), (239, 1714060), (478, 857030), (956, 428515), (1195, 342812), (2390, 171406), (4780, 85703)]