348156980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1\times {\mathrm{1997}}^1$

素因数の和:2408

約数の個数: 48

約数和(自身を含む): 765313920

約数和(自身を除く): 417156940

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 379, 460, 758, 1516, 1895, 1997, 3790, 3994, 7580, 7988, 8717, 9985, 17434, 19970, 34868, 39940, 43585, 45931, 87170, 91862, 174340, 183724, 229655, 459310, 756863, 918620, 1513726, 3027452, 3784315, 7568630, 15137260, 17407849, 34815698, 69631396, 87039245, 174078490, 348156980]

約数ペア:

[(1, 348156980), (2, 174078490), (4, 87039245), (5, 69631396), (10, 34815698), (20, 17407849), (23, 15137260), (46, 7568630), (92, 3784315), (115, 3027452), (230, 1513726), (379, 918620), (460, 756863), (758, 459310), (1516, 229655), (1895, 183724), (1997, 174340), (3790, 91862), (3994, 87170), (7580, 45931), (7988, 43585), (8717, 39940), (9985, 34868), (17434, 19970)]