220123225

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3217}}^1$

素因数の和:3274

約数の個数: 48

約数和(自身を含む): 344763648

約数和(自身を除く): 124640423

約数列:

[1, 5, 7, 17, 23, 25, 35, 85, 115, 119, 161, 175, 391, 425, 575, 595, 805, 1955, 2737, 2975, 3217, 4025, 9775, 13685, 16085, 22519, 54689, 68425, 73991, 80425, 112595, 273445, 369955, 382823, 517937, 562975, 1257847, 1367225, 1849775, 1914115, 2589685, 6289235, 8804929, 9570575, 12948425, 31446175, 44024645, 220123225]

約数ペア:

[(1, 220123225), (5, 44024645), (7, 31446175), (17, 12948425), (23, 9570575), (25, 8804929), (35, 6289235), (85, 2589685), (115, 1914115), (119, 1849775), (161, 1367225), (175, 1257847), (391, 562975), (425, 517937), (575, 382823), (595, 369955), (805, 273445), (1955, 112595), (2737, 80425), (2975, 73991), (3217, 68425), (4025, 54689), (9775, 22519), (13685, 16085)]