997843980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2375819}}^1$

素因数の和:2375838

約数の個数: 48

約数和(自身を含む): 3193102080

約数和(自身を除く): 2195258100

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, 2375819, 4751638, 7127457, 9503276, 11879095, 14254914, 16630733, 23758190, 28509828, 33261466, 35637285, 47516380, 49892199, 66522932, 71274570, 83153665, 99784398, 142549140, 166307330, 199568796, 249460995, 332614660, 498921990, 997843980]

約数ペア:

[(1, 997843980), (2, 498921990), (3, 332614660), (4, 249460995), (5, 199568796), (6, 166307330), (7, 142549140), (10, 99784398), (12, 83153665), (14, 71274570), (15, 66522932), (20, 49892199), (21, 47516380), (28, 35637285), (30, 33261466), (35, 28509828), (42, 23758190), (60, 16630733), (70, 14254914), (84, 11879095), (105, 9503276), (140, 7127457), (210, 4751638), (420, 2375819)]