448880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:225

約数の個数: 40

約数和(自身を含む): 1083264

約数和(自身を除く): 634384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 181, 248, 310, 362, 496, 620, 724, 905, 1240, 1448, 1810, 2480, 2896, 3620, 5611, 7240, 11222, 14480, 22444, 28055, 44888, 56110, 89776, 112220, 224440, 448880]

約数ペア:

[(1, 448880), (2, 224440), (4, 112220), (5, 89776), (8, 56110), (10, 44888), (16, 28055), (20, 22444), (31, 14480), (40, 11222), (62, 7240), (80, 5611), (124, 3620), (155, 2896), (181, 2480), (248, 1810), (310, 1448), (362, 1240), (496, 905), (620, 724)]