201424040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{647}}^1$

素因数の和:882

約数の個数: 64

約数和(自身を含む): 467026560

約数和(自身を除く): 265602520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 181, 215, 344, 362, 430, 647, 724, 860, 905, 1294, 1448, 1720, 1810, 2588, 3235, 3620, 5176, 6470, 7240, 7783, 12940, 15566, 25880, 27821, 31132, 38915, 55642, 62264, 77830, 111284, 117107, 139105, 155660, 222568, 234214, 278210, 311320, 468428, 556420, 585535, 936856, 1112840, 1171070, 2342140, 4684280, 5035601, 10071202, 20142404, 25178005, 40284808, 50356010, 100712020, 201424040]

約数ペア:

[(1, 201424040), (2, 100712020), (4, 50356010), (5, 40284808), (8, 25178005), (10, 20142404), (20, 10071202), (40, 5035601), (43, 4684280), (86, 2342140), (172, 1171070), (181, 1112840), (215, 936856), (344, 585535), (362, 556420), (430, 468428), (647, 311320), (724, 278210), (860, 234214), (905, 222568), (1294, 155660), (1448, 139105), (1720, 117107), (1810, 111284), (2588, 77830), (3235, 62264), (3620, 55642), (5176, 38915), (6470, 31132), (7240, 27821), (7783, 25880), (12940, 15566)]