22137500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1$

素因数の和:70

約数の個数: 144

約数和(自身を含む): 62995968

約数和(自身を除く): 40858468

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 25, 28, 35, 44, 46, 50, 55, 70, 77, 92, 100, 110, 115, 125, 140, 154, 161, 175, 220, 230, 250, 253, 275, 308, 322, 350, 385, 460, 500, 506, 550, 575, 625, 644, 700, 770, 805, 875, 1012, 1100, 1150, 1250, 1265, 1375, 1540, 1610, 1750, 1771, 1925, 2300, 2500, 2530, 2750, 2875, 3125, 3220, 3500, 3542, 3850, 4025, 4375, 5060, 5500, 5750, 6250, 6325, 6875, 7084, 7700, 8050, 8750, 8855, 9625, 11500, 12500, 12650, 13750, 14375, 16100, 17500, 17710, 19250, 20125, 21875, 25300, 27500, 28750, 31625, 34375, 35420, 38500, 40250, 43750, 44275, 48125, 57500, 63250, 68750, 71875, 80500, 87500, 88550, 96250, 100625, 126500, 137500, 143750, 158125, 177100, 192500, 201250, 221375, 240625, 287500, 316250, 402500, 442750, 481250, 503125, 632500, 790625, 885500, 962500, 1006250, 1106875, 1581250, 2012500, 2213750, 3162500, 4427500, 5534375, 11068750, 22137500]

約数ペア:

[(1, 22137500), (2, 11068750), (4, 5534375), (5, 4427500), (7, 3162500), (10, 2213750), (11, 2012500), (14, 1581250), (20, 1106875), (22, 1006250), (23, 962500), (25, 885500), (28, 790625), (35, 632500), (44, 503125), (46, 481250), (50, 442750), (55, 402500), (70, 316250), (77, 287500), (92, 240625), (100, 221375), (110, 201250), (115, 192500), (125, 177100), (140, 158125), (154, 143750), (161, 137500), (175, 126500), (220, 100625), (230, 96250), (250, 88550), (253, 87500), (275, 80500), (308, 71875), (322, 68750), (350, 63250), (385, 57500), (460, 48125), (500, 44275), (506, 43750), (550, 40250), (575, 38500), (625, 35420), (644, 34375), (700, 31625), (770, 28750), (805, 27500), (875, 25300), (1012, 21875), (1100, 20125), (1150, 19250), (1250, 17710), (1265, 17500), (1375, 16100), (1540, 14375), (1610, 13750), (1750, 12650), (1771, 12500), (1925, 11500), (2300, 9625), (2500, 8855), (2530, 8750), (2750, 8050), (2875, 7700), (3125, 7084), (3220, 6875), (3500, 6325), (3542, 6250), (3850, 5750), (4025, 5500), (4375, 5060)]