488560

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:241

約数の個数: 40

約数和(自身を含む): 1178496

約数和(自身を除く): 689936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 197, 248, 310, 394, 496, 620, 788, 985, 1240, 1576, 1970, 2480, 3152, 3940, 6107, 7880, 12214, 15760, 24428, 30535, 48856, 61070, 97712, 122140, 244280, 488560]

約数ペア:

[(1, 488560), (2, 244280), (4, 122140), (5, 97712), (8, 61070), (10, 48856), (16, 30535), (20, 24428), (31, 15760), (40, 12214), (62, 7880), (80, 6107), (124, 3940), (155, 3152), (197, 2480), (248, 1970), (310, 1576), (394, 1240), (496, 985), (620, 788)]