149748920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{631}}^1$

素因数の和:1008

約数の個数: 64

約数和(自身を含む): 358344000

約数和(自身を除く): 208595080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 349, 631, 680, 698, 1262, 1396, 1745, 2524, 2792, 3155, 3490, 5048, 5933, 6310, 6980, 10727, 11866, 12620, 13960, 21454, 23732, 25240, 29665, 42908, 47464, 53635, 59330, 85816, 107270, 118660, 214540, 220219, 237320, 429080, 440438, 880876, 1101095, 1761752, 2202190, 3743723, 4404380, 7487446, 8808760, 14974892, 18718615, 29949784, 37437230, 74874460, 149748920]

約数ペア:

[(1, 149748920), (2, 74874460), (4, 37437230), (5, 29949784), (8, 18718615), (10, 14974892), (17, 8808760), (20, 7487446), (34, 4404380), (40, 3743723), (68, 2202190), (85, 1761752), (136, 1101095), (170, 880876), (340, 440438), (349, 429080), (631, 237320), (680, 220219), (698, 214540), (1262, 118660), (1396, 107270), (1745, 85816), (2524, 59330), (2792, 53635), (3155, 47464), (3490, 42908), (5048, 29665), (5933, 25240), (6310, 23732), (6980, 21454), (10727, 13960), (11866, 12620)]