1808361940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{106751}}^1$

素因数の和:106789

約数の個数: 72

約数和(自身を含む): 4770533376

約数和(自身を除く): 2962171436

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 16940, 106751, 213502, 427004, 533755, 747257, 1067510, 1174261, 1494514, 2135020, 2348522, 2989028, 3736285, 4697044, 5871305, 7472570, 8219827, 11742610, 12916871, 14945140, 16439654, 23485220, 25833742, 32879308, 41099135, 51667484, 64584355, 82198270, 90418097, 129168710, 164396540, 180836194, 258337420, 361672388, 452090485, 904180970, 1808361940]

約数ペア:

[(1, 1808361940), (2, 904180970), (4, 452090485), (5, 361672388), (7, 258337420), (10, 180836194), (11, 164396540), (14, 129168710), (20, 90418097), (22, 82198270), (28, 64584355), (35, 51667484), (44, 41099135), (55, 32879308), (70, 25833742), (77, 23485220), (110, 16439654), (121, 14945140), (140, 12916871), (154, 11742610), (220, 8219827), (242, 7472570), (308, 5871305), (385, 4697044), (484, 3736285), (605, 2989028), (770, 2348522), (847, 2135020), (1210, 1494514), (1540, 1174261), (1694, 1067510), (2420, 747257), (3388, 533755), (4235, 427004), (8470, 213502), (16940, 106751)]