905820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 2623488

約数和(自身を除く): 1717668

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 487, 620, 930, 974, 1461, 1860, 1948, 2435, 2922, 4870, 5844, 7305, 9740, 14610, 15097, 29220, 30194, 45291, 60388, 75485, 90582, 150970, 181164, 226455, 301940, 452910, 905820]

約数ペア:

[(1, 905820), (2, 452910), (3, 301940), (4, 226455), (5, 181164), (6, 150970), (10, 90582), (12, 75485), (15, 60388), (20, 45291), (30, 30194), (31, 29220), (60, 15097), (62, 14610), (93, 9740), (124, 7305), (155, 5844), (186, 4870), (310, 2922), (372, 2435), (465, 1948), (487, 1860), (620, 1461), (930, 974)]