28782740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{2477}}^1$

素因数の和:2576

約数の個数: 48

約数和(自身を含む): 69939072

約数和(自身を除く): 41156332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 83, 140, 166, 332, 415, 581, 830, 1162, 1660, 2324, 2477, 2905, 4954, 5810, 9908, 11620, 12385, 17339, 24770, 34678, 49540, 69356, 86695, 173390, 205591, 346780, 411182, 822364, 1027955, 1439137, 2055910, 2878274, 4111820, 5756548, 7195685, 14391370, 28782740]

約数ペア:

[(1, 28782740), (2, 14391370), (4, 7195685), (5, 5756548), (7, 4111820), (10, 2878274), (14, 2055910), (20, 1439137), (28, 1027955), (35, 822364), (70, 411182), (83, 346780), (140, 205591), (166, 173390), (332, 86695), (415, 69356), (581, 49540), (830, 34678), (1162, 24770), (1660, 17339), (2324, 12385), (2477, 11620), (2905, 9908), (4954, 5810)]