319354620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409429}}^1$

素因数の和:409454

約数の個数: 48

約数和(自身を含む): 962979360

約数和(自身を除く): 643624740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 409429, 818858, 1228287, 1637716, 2047145, 2456574, 4094290, 4913148, 5322577, 6141435, 8188580, 10645154, 12282870, 15967731, 21290308, 24565740, 26612885, 31935462, 53225770, 63870924, 79838655, 106451540, 159677310, 319354620]

約数ペア:

[(1, 319354620), (2, 159677310), (3, 106451540), (4, 79838655), (5, 63870924), (6, 53225770), (10, 31935462), (12, 26612885), (13, 24565740), (15, 21290308), (20, 15967731), (26, 12282870), (30, 10645154), (39, 8188580), (52, 6141435), (60, 5322577), (65, 4913148), (78, 4094290), (130, 2456574), (156, 2047145), (195, 1637716), (260, 1228287), (390, 818858), (780, 409429)]