1707857440

素因数分解:

$2^5\times 5^1\times {\mathrm{499}}^1\times {\mathrm{21391}}^1$

素因数の和:21905

約数の個数: 48

約数和(自身を含む): 4043088000

約数和(自身を除く): 2335230560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 499, 998, 1996, 2495, 3992, 4990, 7984, 9980, 15968, 19960, 21391, 39920, 42782, 79840, 85564, 106955, 171128, 213910, 342256, 427820, 684512, 855640, 1711280, 3422560, 10674109, 21348218, 42696436, 53370545, 85392872, 106741090, 170785744, 213482180, 341571488, 426964360, 853928720, 1707857440]

約数ペア:

[(1, 1707857440), (2, 853928720), (4, 426964360), (5, 341571488), (8, 213482180), (10, 170785744), (16, 106741090), (20, 85392872), (32, 53370545), (40, 42696436), (80, 21348218), (160, 10674109), (499, 3422560), (998, 1711280), (1996, 855640), (2495, 684512), (3992, 427820), (4990, 342256), (7984, 213910), (9980, 171128), (15968, 106955), (19960, 85564), (21391, 79840), (39920, 42782)]