490431060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{389231}}^1$

素因数の和:389253

約数の個数: 72

約数和(自身を含む): 1700165376

約数和(自身を除く): 1209734316

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 389231, 778462, 1167693, 1556924, 1946155, 2335386, 2724617, 3503079, 3892310, 4670772, 5449234, 5838465, 7006158, 7784620, 8173851, 10898468, 11676930, 13623085, 14012316, 16347702, 17515395, 23353860, 24521553, 27246170, 32695404, 35030790, 40869255, 49043106, 54492340, 70061580, 81738510, 98086212, 122607765, 163477020, 245215530, 490431060]

約数ペア:

[(1, 490431060), (2, 245215530), (3, 163477020), (4, 122607765), (5, 98086212), (6, 81738510), (7, 70061580), (9, 54492340), (10, 49043106), (12, 40869255), (14, 35030790), (15, 32695404), (18, 27246170), (20, 24521553), (21, 23353860), (28, 17515395), (30, 16347702), (35, 14012316), (36, 13623085), (42, 11676930), (45, 10898468), (60, 8173851), (63, 7784620), (70, 7006158), (84, 5838465), (90, 5449234), (105, 4670772), (126, 3892310), (140, 3503079), (180, 2724617), (210, 2335386), (252, 1946155), (315, 1556924), (420, 1167693), (630, 778462), (1260, 389231)]