209913810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{457}}^1$

素因数の和:779

約数の個数: 64

約数和(自身を含む): 515217024

約数和(自身を除く): 305303214

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 251, 305, 366, 457, 502, 610, 753, 914, 915, 1255, 1371, 1506, 1830, 2285, 2510, 2742, 3765, 4570, 6855, 7530, 13710, 15311, 27877, 30622, 45933, 55754, 76555, 83631, 91866, 114707, 139385, 153110, 167262, 229414, 229665, 278770, 344121, 418155, 459330, 573535, 688242, 836310, 1147070, 1720605, 3441210, 6997127, 13994254, 20991381, 34985635, 41982762, 69971270, 104956905, 209913810]

約数ペア:

[(1, 209913810), (2, 104956905), (3, 69971270), (5, 41982762), (6, 34985635), (10, 20991381), (15, 13994254), (30, 6997127), (61, 3441210), (122, 1720605), (183, 1147070), (251, 836310), (305, 688242), (366, 573535), (457, 459330), (502, 418155), (610, 344121), (753, 278770), (914, 229665), (915, 229414), (1255, 167262), (1371, 153110), (1506, 139385), (1830, 114707), (2285, 91866), (2510, 83631), (2742, 76555), (3765, 55754), (4570, 45933), (6855, 30622), (7530, 27877), (13710, 15311)]