17972750

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 36279360

約数和(自身を除く): 18306610

約数列:

[1, 2, 5, 10, 25, 29, 37, 50, 58, 67, 74, 125, 134, 145, 185, 250, 290, 335, 370, 670, 725, 925, 1073, 1450, 1675, 1850, 1943, 2146, 2479, 3350, 3625, 3886, 4625, 4958, 5365, 7250, 8375, 9250, 9715, 10730, 12395, 16750, 19430, 24790, 26825, 48575, 53650, 61975, 71891, 97150, 123950, 134125, 143782, 242875, 268250, 309875, 359455, 485750, 619750, 718910, 1797275, 3594550, 8986375, 17972750]

約数ペア:

[(1, 17972750), (2, 8986375), (5, 3594550), (10, 1797275), (25, 718910), (29, 619750), (37, 485750), (50, 359455), (58, 309875), (67, 268250), (74, 242875), (125, 143782), (134, 134125), (145, 123950), (185, 97150), (250, 71891), (290, 61975), (335, 53650), (370, 48575), (670, 26825), (725, 24790), (925, 19430), (1073, 16750), (1450, 12395), (1675, 10730), (1850, 9715), (1943, 9250), (2146, 8375), (2479, 7250), (3350, 5365), (3625, 4958), (3886, 4625)]