1689319940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{10861}}^1$

素因数の和:10989

約数の個数: 96

約数和(自身を含む): 4467149568

約数和(自身を除く): 2777829628

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 101, 110, 140, 154, 202, 220, 308, 385, 404, 505, 707, 770, 1010, 1111, 1414, 1540, 2020, 2222, 2828, 3535, 4444, 5555, 7070, 7777, 10861, 11110, 14140, 15554, 21722, 22220, 31108, 38885, 43444, 54305, 76027, 77770, 108610, 119471, 152054, 155540, 217220, 238942, 304108, 380135, 477884, 597355, 760270, 836297, 1096961, 1194710, 1520540, 1672594, 2193922, 2389420, 3345188, 4181485, 4387844, 5484805, 7678727, 8362970, 10969610, 12066571, 15357454, 16725940, 21939220, 24133142, 30714908, 38393635, 48266284, 60332855, 76787270, 84465997, 120665710, 153574540, 168931994, 241331420, 337863988, 422329985, 844659970, 1689319940]

約数ペア:

[(1, 1689319940), (2, 844659970), (4, 422329985), (5, 337863988), (7, 241331420), (10, 168931994), (11, 153574540), (14, 120665710), (20, 84465997), (22, 76787270), (28, 60332855), (35, 48266284), (44, 38393635), (55, 30714908), (70, 24133142), (77, 21939220), (101, 16725940), (110, 15357454), (140, 12066571), (154, 10969610), (202, 8362970), (220, 7678727), (308, 5484805), (385, 4387844), (404, 4181485), (505, 3345188), (707, 2389420), (770, 2193922), (1010, 1672594), (1111, 1520540), (1414, 1194710), (1540, 1096961), (2020, 836297), (2222, 760270), (2828, 597355), (3535, 477884), (4444, 380135), (5555, 304108), (7070, 238942), (7777, 217220), (10861, 155540), (11110, 152054), (14140, 119471), (15554, 108610), (21722, 77770), (22220, 76027), (31108, 54305), (38885, 43444)]