68830100

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{16007}}^1$

素因数の和:16064

約数の個数: 36

約数和(自身を含む): 152844384

約数和(自身を除く): 84014284

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 16007, 32014, 64028, 80035, 160070, 320140, 400175, 688301, 800350, 1376602, 1600700, 2753204, 3441505, 6883010, 13766020, 17207525, 34415050, 68830100]

約数ペア:

[(1, 68830100), (2, 34415050), (4, 17207525), (5, 13766020), (10, 6883010), (20, 3441505), (25, 2753204), (43, 1600700), (50, 1376602), (86, 800350), (100, 688301), (172, 400175), (215, 320140), (430, 160070), (860, 80035), (1075, 64028), (2150, 32014), (4300, 16007)]