209958540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{7759}}^1$

素因数の和:7823

約数の個数: 96

約数和(自身を含む): 657054720

約数和(自身を除く): 447096180

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 41, 44, 55, 60, 66, 82, 110, 123, 132, 164, 165, 205, 220, 246, 330, 410, 451, 492, 615, 660, 820, 902, 1230, 1353, 1804, 2255, 2460, 2706, 4510, 5412, 6765, 7759, 9020, 13530, 15518, 23277, 27060, 31036, 38795, 46554, 77590, 85349, 93108, 116385, 155180, 170698, 232770, 256047, 318119, 341396, 426745, 465540, 512094, 636238, 853490, 954357, 1024188, 1272476, 1280235, 1590595, 1706980, 1908714, 2560470, 3181190, 3499309, 3817428, 4771785, 5120940, 6362380, 6998618, 9543570, 10497927, 13997236, 17496545, 19087140, 20995854, 34993090, 41991708, 52489635, 69986180, 104979270, 209958540]

約数ペア:

[(1, 209958540), (2, 104979270), (3, 69986180), (4, 52489635), (5, 41991708), (6, 34993090), (10, 20995854), (11, 19087140), (12, 17496545), (15, 13997236), (20, 10497927), (22, 9543570), (30, 6998618), (33, 6362380), (41, 5120940), (44, 4771785), (55, 3817428), (60, 3499309), (66, 3181190), (82, 2560470), (110, 1908714), (123, 1706980), (132, 1590595), (164, 1280235), (165, 1272476), (205, 1024188), (220, 954357), (246, 853490), (330, 636238), (410, 512094), (451, 465540), (492, 426745), (615, 341396), (660, 318119), (820, 256047), (902, 232770), (1230, 170698), (1353, 155180), (1804, 116385), (2255, 93108), (2460, 85349), (2706, 77590), (4510, 46554), (5412, 38795), (6765, 31036), (7759, 27060), (9020, 23277), (13530, 15518)]