2122446620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{489043}}^1$

素因数の和:489090

約数の個数: 48

約数和(自身を含む): 5258201088

約数和(自身を除く): 3135754468

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 489043, 978086, 1956172, 2445215, 3423301, 4890430, 6846602, 9780860, 13693204, 15160333, 17116505, 30320666, 34233010, 60641332, 68466020, 75801665, 106122331, 151603330, 212244662, 303206660, 424489324, 530611655, 1061223310, 2122446620]

約数ペア:

[(1, 2122446620), (2, 1061223310), (4, 530611655), (5, 424489324), (7, 303206660), (10, 212244662), (14, 151603330), (20, 106122331), (28, 75801665), (31, 68466020), (35, 60641332), (62, 34233010), (70, 30320666), (124, 17116505), (140, 15160333), (155, 13693204), (217, 9780860), (310, 6846602), (434, 4890430), (620, 3423301), (868, 2445215), (1085, 1956172), (2170, 978086), (4340, 489043)]