8291212860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19740983}}^1$

素因数の和:19741002

約数の個数: 48

約数和(自身を含む): 26531882496

約数和(自身を除く): 18240669636

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 19740983, 39481966, 59222949, 78963932, 98704915, 118445898, 138186881, 197409830, 236891796, 276373762, 296114745, 394819660, 414560643, 552747524, 592229490, 690934405, 829121286, 1184458980, 1381868810, 1658242572, 2072803215, 2763737620, 4145606430, 8291212860]

約数ペア:

[(1, 8291212860), (2, 4145606430), (3, 2763737620), (4, 2072803215), (5, 1658242572), (6, 1381868810), (7, 1184458980), (10, 829121286), (12, 690934405), (14, 592229490), (15, 552747524), (20, 414560643), (21, 394819660), (28, 296114745), (30, 276373762), (35, 236891796), (42, 197409830), (60, 138186881), (70, 118445898), (84, 98704915), (105, 78963932), (140, 59222949), (210, 39481966), (420, 19740983)]