49879940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{11933}}^1$

素因数の和:11972

約数の個数: 48

約数和(自身を含む): 120294720

約数和(自身を除く): 70414780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 11933, 23866, 47732, 59665, 119330, 131263, 226727, 238660, 262526, 453454, 525052, 656315, 906908, 1133635, 1312630, 2267270, 2493997, 2625260, 4534540, 4987994, 9975988, 12469985, 24939970, 49879940]

約数ペア:

[(1, 49879940), (2, 24939970), (4, 12469985), (5, 9975988), (10, 4987994), (11, 4534540), (19, 2625260), (20, 2493997), (22, 2267270), (38, 1312630), (44, 1133635), (55, 906908), (76, 656315), (95, 525052), (110, 453454), (190, 262526), (209, 238660), (220, 226727), (380, 131263), (418, 119330), (836, 59665), (1045, 47732), (2090, 23866), (4180, 11933)]