212212480

素因数分解:

$2^8\times 5^1\times {\mathrm{317}}^1\times {\mathrm{523}}^1$

素因数の和:861

約数の個数: 72

約数和(自身を含む): 510893712

約数和(自身を除く): 298681232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 317, 320, 523, 634, 640, 1046, 1268, 1280, 1585, 2092, 2536, 2615, 3170, 4184, 5072, 5230, 6340, 8368, 10144, 10460, 12680, 16736, 20288, 20920, 25360, 33472, 40576, 41840, 50720, 66944, 81152, 83680, 101440, 133888, 165791, 167360, 202880, 331582, 334720, 405760, 663164, 669440, 828955, 1326328, 1657910, 2652656, 3315820, 5305312, 6631640, 10610624, 13263280, 21221248, 26526560, 42442496, 53053120, 106106240, 212212480]

約数ペア:

[(1, 212212480), (2, 106106240), (4, 53053120), (5, 42442496), (8, 26526560), (10, 21221248), (16, 13263280), (20, 10610624), (32, 6631640), (40, 5305312), (64, 3315820), (80, 2652656), (128, 1657910), (160, 1326328), (256, 828955), (317, 669440), (320, 663164), (523, 405760), (634, 334720), (640, 331582), (1046, 202880), (1268, 167360), (1280, 165791), (1585, 133888), (2092, 101440), (2536, 83680), (2615, 81152), (3170, 66944), (4184, 50720), (5072, 41840), (5230, 40576), (6340, 33472), (8368, 25360), (10144, 20920), (10460, 20288), (12680, 16736)]