30964780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20107}}^1$

素因数の和:20134

約数の個数: 48

約数和(自身を含む): 81075456

約数和(自身を除く): 50110676

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 20107, 40214, 80428, 100535, 140749, 201070, 221177, 281498, 402140, 442354, 562996, 703745, 884708, 1105885, 1407490, 1548239, 2211770, 2814980, 3096478, 4423540, 6192956, 7741195, 15482390, 30964780]

約数ペア:

[(1, 30964780), (2, 15482390), (4, 7741195), (5, 6192956), (7, 4423540), (10, 3096478), (11, 2814980), (14, 2211770), (20, 1548239), (22, 1407490), (28, 1105885), (35, 884708), (44, 703745), (55, 562996), (70, 442354), (77, 402140), (110, 281498), (140, 221177), (154, 201070), (220, 140749), (308, 100535), (385, 80428), (770, 40214), (1540, 20107)]