889761380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{13933}}^1$

素因数の和:14076

約数の個数: 48

約数和(自身を含む): 1947638784

約数和(自身を除く): 1057877404

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 155, 206, 310, 412, 515, 620, 1030, 2060, 3193, 6386, 12772, 13933, 15965, 27866, 31930, 55732, 63860, 69665, 139330, 278660, 431923, 863846, 1435099, 1727692, 2159615, 2870198, 4319230, 5740396, 7175495, 8638460, 14350990, 28701980, 44488069, 88976138, 177952276, 222440345, 444880690, 889761380]

約数ペア:

[(1, 889761380), (2, 444880690), (4, 222440345), (5, 177952276), (10, 88976138), (20, 44488069), (31, 28701980), (62, 14350990), (103, 8638460), (124, 7175495), (155, 5740396), (206, 4319230), (310, 2870198), (412, 2159615), (515, 1727692), (620, 1435099), (1030, 863846), (2060, 431923), (3193, 278660), (6386, 139330), (12772, 69665), (13933, 63860), (15965, 55732), (27866, 31930)]