8444940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20107}}^1$

素因数の和:20126

約数の個数: 48

約数和(自身を含む): 27025152

約数和(自身を除く): 18580212

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, 20107, 40214, 60321, 80428, 100535, 120642, 140749, 201070, 241284, 281498, 301605, 402140, 422247, 562996, 603210, 703745, 844494, 1206420, 1407490, 1688988, 2111235, 2814980, 4222470, 8444940]

約数ペア:

[(1, 8444940), (2, 4222470), (3, 2814980), (4, 2111235), (5, 1688988), (6, 1407490), (7, 1206420), (10, 844494), (12, 703745), (14, 603210), (15, 562996), (20, 422247), (21, 402140), (28, 301605), (30, 281498), (35, 241284), (42, 201070), (60, 140749), (70, 120642), (84, 100535), (105, 80428), (140, 60321), (210, 40214), (420, 20107)]