155488340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{12479}}^1$

素因数の和:12584

約数の個数: 48

約数和(自身を含む): 377395200

約数和(自身を除く): 221906860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 12460, 12479, 24958, 49916, 62395, 87353, 124790, 174706, 249580, 349412, 436765, 873530, 1110631, 1747060, 2221262, 4442524, 5553155, 7774417, 11106310, 15548834, 22212620, 31097668, 38872085, 77744170, 155488340]

約数ペア:

[(1, 155488340), (2, 77744170), (4, 38872085), (5, 31097668), (7, 22212620), (10, 15548834), (14, 11106310), (20, 7774417), (28, 5553155), (35, 4442524), (70, 2221262), (89, 1747060), (140, 1110631), (178, 873530), (356, 436765), (445, 349412), (623, 249580), (890, 174706), (1246, 124790), (1780, 87353), (2492, 62395), (3115, 49916), (6230, 24958), (12460, 12479)]