492280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 1146240

約数和(自身を除く): 653960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 397, 620, 794, 1240, 1588, 1985, 3176, 3970, 7940, 12307, 15880, 24614, 49228, 61535, 98456, 123070, 246140, 492280]

約数ペア:

[(1, 492280), (2, 246140), (4, 123070), (5, 98456), (8, 61535), (10, 49228), (20, 24614), (31, 15880), (40, 12307), (62, 7940), (124, 3970), (155, 3176), (248, 1985), (310, 1588), (397, 1240), (620, 794)]