1999870810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{22549}}^1$

素因数の和:22751

約数の個数: 48

約数和(自身を含む): 4210806600

約数和(自身を除く): 2210935790

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 181, 245, 362, 490, 905, 1267, 1810, 2534, 6335, 8869, 12670, 17738, 22549, 44345, 45098, 88690, 112745, 157843, 225490, 315686, 789215, 1104901, 1578430, 2209802, 4081369, 5524505, 8162738, 11049010, 20406845, 28569583, 40813690, 57139166, 142847915, 199987081, 285695830, 399974162, 999935405, 1999870810]

約数ペア:

[(1, 1999870810), (2, 999935405), (5, 399974162), (7, 285695830), (10, 199987081), (14, 142847915), (35, 57139166), (49, 40813690), (70, 28569583), (98, 20406845), (181, 11049010), (245, 8162738), (362, 5524505), (490, 4081369), (905, 2209802), (1267, 1578430), (1810, 1104901), (2534, 789215), (6335, 315686), (8869, 225490), (12670, 157843), (17738, 112745), (22549, 88690), (44345, 45098)]