4128890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{701}}^1$

素因数の和:758

約数の個数: 32

約数和(自身を含む): 8087040

約数和(自身を除く): 3958150

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 155, 190, 310, 589, 701, 1178, 1402, 2945, 3505, 5890, 7010, 13319, 21731, 26638, 43462, 66595, 108655, 133190, 217310, 412889, 825778, 2064445, 4128890]

約数ペア:

[(1, 4128890), (2, 2064445), (5, 825778), (10, 412889), (19, 217310), (31, 133190), (38, 108655), (62, 66595), (95, 43462), (155, 26638), (190, 21731), (310, 13319), (589, 7010), (701, 5890), (1178, 3505), (1402, 2945)]