90440980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{1181}}^1$

素因数の和:1744

約数の個数: 48

約数和(自身を含む): 217639296

約数和(自身を除く): 127198316

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 547, 1094, 1181, 2188, 2362, 2735, 3829, 4724, 5470, 5905, 7658, 8267, 10940, 11810, 15316, 16534, 19145, 23620, 33068, 38290, 41335, 76580, 82670, 165340, 646007, 1292014, 2584028, 3230035, 4522049, 6460070, 9044098, 12920140, 18088196, 22610245, 45220490, 90440980]

約数ペア:

[(1, 90440980), (2, 45220490), (4, 22610245), (5, 18088196), (7, 12920140), (10, 9044098), (14, 6460070), (20, 4522049), (28, 3230035), (35, 2584028), (70, 1292014), (140, 646007), (547, 165340), (1094, 82670), (1181, 76580), (2188, 41335), (2362, 38290), (2735, 33068), (3829, 23620), (4724, 19145), (5470, 16534), (5905, 15316), (7658, 11810), (8267, 10940)]