68428780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15767}}^1$

素因数の和:15814

約数の個数: 48

約数和(自身を含む): 169537536

約数和(自身を除く): 101108756

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, 15767, 31534, 63068, 78835, 110369, 157670, 220738, 315340, 441476, 488777, 551845, 977554, 1103690, 1955108, 2207380, 2443885, 3421439, 4887770, 6842878, 9775540, 13685756, 17107195, 34214390, 68428780]

約数ペア:

[(1, 68428780), (2, 34214390), (4, 17107195), (5, 13685756), (7, 9775540), (10, 6842878), (14, 4887770), (20, 3421439), (28, 2443885), (31, 2207380), (35, 1955108), (62, 1103690), (70, 977554), (124, 551845), (140, 488777), (155, 441476), (217, 315340), (310, 220738), (434, 157670), (620, 110369), (868, 78835), (1085, 63068), (2170, 31534), (4340, 15767)]