198135520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{112577}}^1$

素因数の和:112603

約数の個数: 48

約数和(自身を含む): 510653808

約数和(自身を除く): 312518288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 112577, 225154, 450308, 562885, 900616, 1125770, 1238347, 1801232, 2251540, 2476694, 3602464, 4503080, 4953388, 6191735, 9006160, 9906776, 12383470, 18012320, 19813552, 24766940, 39627104, 49533880, 99067760, 198135520]

約数ペア:

[(1, 198135520), (2, 99067760), (4, 49533880), (5, 39627104), (8, 24766940), (10, 19813552), (11, 18012320), (16, 12383470), (20, 9906776), (22, 9006160), (32, 6191735), (40, 4953388), (44, 4503080), (55, 3602464), (80, 2476694), (88, 2251540), (110, 1801232), (160, 1238347), (176, 1125770), (220, 900616), (352, 562885), (440, 450308), (880, 225154), (1760, 112577)]