6842980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 14999040

約数和(自身を除く): 8156060

約数列:

[1, 2, 4, 5, 10, 20, 61, 71, 79, 122, 142, 158, 244, 284, 305, 316, 355, 395, 610, 710, 790, 1220, 1420, 1580, 4331, 4819, 5609, 8662, 9638, 11218, 17324, 19276, 21655, 22436, 24095, 28045, 43310, 48190, 56090, 86620, 96380, 112180, 342149, 684298, 1368596, 1710745, 3421490, 6842980]

約数ペア:

[(1, 6842980), (2, 3421490), (4, 1710745), (5, 1368596), (10, 684298), (20, 342149), (61, 112180), (71, 96380), (79, 86620), (122, 56090), (142, 48190), (158, 43310), (244, 28045), (284, 24095), (305, 22436), (316, 21655), (355, 19276), (395, 17324), (610, 11218), (710, 9638), (790, 8662), (1220, 5609), (1420, 4819), (1580, 4331)]