43400890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{421}}^1$

素因数の和:515

約数の個数: 48

約数和(自身を含む): 86184216

約数和(自身を除く): 42783326

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 122, 130, 169, 305, 338, 421, 610, 793, 842, 845, 1586, 1690, 2105, 3965, 4210, 5473, 7930, 10309, 10946, 20618, 25681, 27365, 51362, 51545, 54730, 71149, 103090, 128405, 142298, 256810, 333853, 355745, 667706, 711490, 1669265, 3338530, 4340089, 8680178, 21700445, 43400890]

約数ペア:

[(1, 43400890), (2, 21700445), (5, 8680178), (10, 4340089), (13, 3338530), (26, 1669265), (61, 711490), (65, 667706), (122, 355745), (130, 333853), (169, 256810), (305, 142298), (338, 128405), (421, 103090), (610, 71149), (793, 54730), (842, 51545), (845, 51362), (1586, 27365), (1690, 25681), (2105, 20618), (3965, 10946), (4210, 10309), (5473, 7930)]