2642550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 6666240

約数和(自身を除く): 4023690

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 79, 150, 158, 223, 237, 395, 446, 474, 669, 790, 1115, 1185, 1338, 1975, 2230, 2370, 3345, 3950, 5575, 5925, 6690, 11150, 11850, 16725, 17617, 33450, 35234, 52851, 88085, 105702, 176170, 264255, 440425, 528510, 880850, 1321275, 2642550]

約数ペア:

[(1, 2642550), (2, 1321275), (3, 880850), (5, 528510), (6, 440425), (10, 264255), (15, 176170), (25, 105702), (30, 88085), (50, 52851), (75, 35234), (79, 33450), (150, 17617), (158, 16725), (223, 11850), (237, 11150), (395, 6690), (446, 5925), (474, 5575), (669, 3950), (790, 3345), (1115, 2370), (1185, 2230), (1338, 1975)]