2587420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 6249600

約数和(自身を除く): 3662180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 619, 836, 1045, 1238, 2090, 2476, 3095, 4180, 6190, 6809, 11761, 12380, 13618, 23522, 27236, 34045, 47044, 58805, 68090, 117610, 129371, 136180, 235220, 258742, 517484, 646855, 1293710, 2587420]

約数ペア:

[(1, 2587420), (2, 1293710), (4, 646855), (5, 517484), (10, 258742), (11, 235220), (19, 136180), (20, 129371), (22, 117610), (38, 68090), (44, 58805), (55, 47044), (76, 34045), (95, 27236), (110, 23522), (190, 13618), (209, 12380), (220, 11761), (380, 6809), (418, 6190), (619, 4180), (836, 3095), (1045, 2476), (1238, 2090)]