202389680

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{16979}}^1$

素因数の和:17141

約数の個数: 40

約数和(自身を含む): 473742000

約数和(自身を除く): 271352320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 2384, 2980, 5960, 11920, 16979, 33958, 67916, 84895, 135832, 169790, 271664, 339580, 679160, 1358320, 2529871, 5059742, 10119484, 12649355, 20238968, 25298710, 40477936, 50597420, 101194840, 202389680]

約数ペア:

[(1, 202389680), (2, 101194840), (4, 50597420), (5, 40477936), (8, 25298710), (10, 20238968), (16, 12649355), (20, 10119484), (40, 5059742), (80, 2529871), (149, 1358320), (298, 679160), (596, 339580), (745, 271664), (1192, 169790), (1490, 135832), (2384, 84895), (2980, 67916), (5960, 33958), (11920, 16979)]