149423720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{120503}}^1$

素因数の和:120545

約数の個数: 32

約数和(自身を含む): 347051520

約数和(自身を除く): 197627800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 120503, 241006, 482012, 602515, 964024, 1205030, 2410060, 3735593, 4820120, 7471186, 14942372, 18677965, 29884744, 37355930, 74711860, 149423720]

約数ペア:

[(1, 149423720), (2, 74711860), (4, 37355930), (5, 29884744), (8, 18677965), (10, 14942372), (20, 7471186), (31, 4820120), (40, 3735593), (62, 2410060), (124, 1205030), (155, 964024), (248, 602515), (310, 482012), (620, 241006), (1240, 120503)]