1812400

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1$

素因数の和:238

約数の個数: 60

約数和(自身を含む): 4566672

約数和(自身を除く): 2754272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 184, 197, 200, 230, 368, 394, 400, 460, 575, 788, 920, 985, 1150, 1576, 1840, 1970, 2300, 3152, 3940, 4531, 4600, 4925, 7880, 9062, 9200, 9850, 15760, 18124, 19700, 22655, 36248, 39400, 45310, 72496, 78800, 90620, 113275, 181240, 226550, 362480, 453100, 906200, 1812400]

約数ペア:

[(1, 1812400), (2, 906200), (4, 453100), (5, 362480), (8, 226550), (10, 181240), (16, 113275), (20, 90620), (23, 78800), (25, 72496), (40, 45310), (46, 39400), (50, 36248), (80, 22655), (92, 19700), (100, 18124), (115, 15760), (184, 9850), (197, 9200), (200, 9062), (230, 7880), (368, 4925), (394, 4600), (400, 4531), (460, 3940), (575, 3152), (788, 2300), (920, 1970), (985, 1840), (1150, 1576)]