2863780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 36

約数和(自身を含む): 6255900

約数和(自身を除く): 3392120

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 149, 155, 298, 310, 596, 620, 745, 961, 1490, 1922, 2980, 3844, 4619, 4805, 9238, 9610, 18476, 19220, 23095, 46190, 92380, 143189, 286378, 572756, 715945, 1431890, 2863780]

約数ペア:

[(1, 2863780), (2, 1431890), (4, 715945), (5, 572756), (10, 286378), (20, 143189), (31, 92380), (62, 46190), (124, 23095), (149, 19220), (155, 18476), (298, 9610), (310, 9238), (596, 4805), (620, 4619), (745, 3844), (961, 2980), (1490, 1922)]