400189968

素因数分解:

$2^4\times 3^2\times {\mathrm{2779097}}^1$

素因数の和:2779111

約数の個数: 30

約数和(自身を含む): 1119976494

約数和(自身を除く): 719786526

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 2779097, 5558194, 8337291, 11116388, 16674582, 22232776, 25011873, 33349164, 44465552, 50023746, 66698328, 100047492, 133396656, 200094984, 400189968]

約数ペア:

[(1, 400189968), (2, 200094984), (3, 133396656), (4, 100047492), (6, 66698328), (8, 50023746), (9, 44465552), (12, 33349164), (16, 25011873), (18, 22232776), (24, 16674582), (36, 11116388), (48, 8337291), (72, 5558194), (144, 2779097)]