1900821690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{75161}}^1$

素因数の和:75455

約数の個数: 48

約数和(自身を含む): 4959790056

約数和(自身を除く): 3058968366

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 281, 562, 843, 1405, 1686, 2529, 2810, 4215, 5058, 8430, 12645, 25290, 75161, 150322, 225483, 375805, 450966, 676449, 751610, 1127415, 1352898, 2254830, 3382245, 6764490, 21120241, 42240482, 63360723, 105601205, 126721446, 190082169, 211202410, 316803615, 380164338, 633607230, 950410845, 1900821690]

約数ペア:

[(1, 1900821690), (2, 950410845), (3, 633607230), (5, 380164338), (6, 316803615), (9, 211202410), (10, 190082169), (15, 126721446), (18, 105601205), (30, 63360723), (45, 42240482), (90, 21120241), (281, 6764490), (562, 3382245), (843, 2254830), (1405, 1352898), (1686, 1127415), (2529, 751610), (2810, 676449), (4215, 450966), (5058, 375805), (8430, 225483), (12645, 150322), (25290, 75161)]