212488900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1097}}^1$

素因数の和:1273

約数の個数: 72

約数和(自身を含む): 500358600

約数和(自身を除く): 287869700

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 149, 260, 298, 325, 596, 650, 745, 1097, 1300, 1490, 1937, 2194, 2980, 3725, 3874, 4388, 5485, 7450, 7748, 9685, 10970, 14261, 14900, 19370, 21940, 27425, 28522, 38740, 48425, 54850, 57044, 71305, 96850, 109700, 142610, 163453, 193700, 285220, 326906, 356525, 653812, 713050, 817265, 1426100, 1634530, 2124889, 3269060, 4086325, 4249778, 8172650, 8499556, 10624445, 16345300, 21248890, 42497780, 53122225, 106244450, 212488900]

約数ペア:

[(1, 212488900), (2, 106244450), (4, 53122225), (5, 42497780), (10, 21248890), (13, 16345300), (20, 10624445), (25, 8499556), (26, 8172650), (50, 4249778), (52, 4086325), (65, 3269060), (100, 2124889), (130, 1634530), (149, 1426100), (260, 817265), (298, 713050), (325, 653812), (596, 356525), (650, 326906), (745, 285220), (1097, 193700), (1300, 163453), (1490, 142610), (1937, 109700), (2194, 96850), (2980, 71305), (3725, 57044), (3874, 54850), (4388, 48425), (5485, 38740), (7450, 28522), (7748, 27425), (9685, 21940), (10970, 19370), (14261, 14900)]