2854940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{683}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 6894720

約数和(自身を除く): 4039780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 683, 836, 1045, 1366, 2090, 2732, 3415, 4180, 6830, 7513, 12977, 13660, 15026, 25954, 30052, 37565, 51908, 64885, 75130, 129770, 142747, 150260, 259540, 285494, 570988, 713735, 1427470, 2854940]

約数ペア:

[(1, 2854940), (2, 1427470), (4, 713735), (5, 570988), (10, 285494), (11, 259540), (19, 150260), (20, 142747), (22, 129770), (38, 75130), (44, 64885), (55, 51908), (76, 37565), (95, 30052), (110, 25954), (190, 15026), (209, 13660), (220, 12977), (380, 7513), (418, 6830), (683, 4180), (836, 3415), (1045, 2732), (1366, 2090)]