100847900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:603

約数の個数: 72

約数和(自身を含む): 229152000

約数和(自身を除く): 128304100

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 47, 50, 86, 94, 100, 172, 188, 215, 235, 430, 470, 499, 860, 940, 998, 1075, 1175, 1996, 2021, 2150, 2350, 2495, 4042, 4300, 4700, 4990, 8084, 9980, 10105, 12475, 20210, 21457, 23453, 24950, 40420, 42914, 46906, 49900, 50525, 85828, 93812, 101050, 107285, 117265, 202100, 214570, 234530, 429140, 469060, 536425, 586325, 1008479, 1072850, 1172650, 2016958, 2145700, 2345300, 4033916, 5042395, 10084790, 20169580, 25211975, 50423950, 100847900]

約数ペア:

[(1, 100847900), (2, 50423950), (4, 25211975), (5, 20169580), (10, 10084790), (20, 5042395), (25, 4033916), (43, 2345300), (47, 2145700), (50, 2016958), (86, 1172650), (94, 1072850), (100, 1008479), (172, 586325), (188, 536425), (215, 469060), (235, 429140), (430, 234530), (470, 214570), (499, 202100), (860, 117265), (940, 107285), (998, 101050), (1075, 93812), (1175, 85828), (1996, 50525), (2021, 49900), (2150, 46906), (2350, 42914), (2495, 40420), (4042, 24950), (4300, 23453), (4700, 21457), (4990, 20210), (8084, 12475), (9980, 10105)]