813080940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1935907}}^1$

素因数の和:1935926

約数の個数: 48

約数和(自身を含む): 2601860352

約数和(自身を除く): 1788779412

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, 1935907, 3871814, 5807721, 7743628, 9679535, 11615442, 13551349, 19359070, 23230884, 27102698, 29038605, 38718140, 40654047, 54205396, 58077210, 67756745, 81308094, 116154420, 135513490, 162616188, 203270235, 271026980, 406540470, 813080940]

約数ペア:

[(1, 813080940), (2, 406540470), (3, 271026980), (4, 203270235), (5, 162616188), (6, 135513490), (7, 116154420), (10, 81308094), (12, 67756745), (14, 58077210), (15, 54205396), (20, 40654047), (21, 38718140), (28, 29038605), (30, 27102698), (35, 23230884), (42, 19359070), (60, 13551349), (70, 11615442), (84, 9679535), (105, 7743628), (140, 5807721), (210, 3871814), (420, 1935907)]