428032240

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:866

約数の個数: 80

約数和(自身を含む): 1021997088

約数和(自身を除く): 593964848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 157, 212, 265, 314, 424, 530, 628, 643, 785, 848, 1060, 1256, 1286, 1570, 2120, 2512, 2572, 3140, 3215, 4240, 5144, 6280, 6430, 8321, 10288, 12560, 12860, 16642, 25720, 33284, 34079, 41605, 51440, 66568, 68158, 83210, 100951, 133136, 136316, 166420, 170395, 201902, 272632, 332840, 340790, 403804, 504755, 545264, 665680, 681580, 807608, 1009510, 1363160, 1615216, 2019020, 2726320, 4038040, 5350403, 8076080, 10700806, 21401612, 26752015, 42803224, 53504030, 85606448, 107008060, 214016120, 428032240]

約数ペア:

[(1, 428032240), (2, 214016120), (4, 107008060), (5, 85606448), (8, 53504030), (10, 42803224), (16, 26752015), (20, 21401612), (40, 10700806), (53, 8076080), (80, 5350403), (106, 4038040), (157, 2726320), (212, 2019020), (265, 1615216), (314, 1363160), (424, 1009510), (530, 807608), (628, 681580), (643, 665680), (785, 545264), (848, 504755), (1060, 403804), (1256, 340790), (1286, 332840), (1570, 272632), (2120, 201902), (2512, 170395), (2572, 166420), (3140, 136316), (3215, 133136), (4240, 100951), (5144, 83210), (6280, 68158), (6430, 66568), (8321, 51440), (10288, 41605), (12560, 34079), (12860, 33284), (16642, 25720)]