205427700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 216

約数和(自身を含む): 686067200

約数和(自身を除く): 480639500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 37, 45, 50, 60, 62, 74, 75, 90, 93, 100, 111, 124, 148, 150, 155, 180, 185, 186, 199, 222, 225, 279, 300, 310, 333, 370, 372, 398, 444, 450, 465, 555, 558, 597, 620, 666, 740, 775, 796, 900, 925, 930, 995, 1110, 1116, 1147, 1194, 1332, 1395, 1550, 1665, 1791, 1850, 1860, 1990, 2220, 2294, 2325, 2388, 2775, 2790, 2985, 3100, 3330, 3441, 3582, 3700, 3980, 4588, 4650, 4975, 5550, 5580, 5735, 5970, 6169, 6660, 6882, 6975, 7164, 7363, 8325, 8955, 9300, 9950, 10323, 11100, 11470, 11940, 12338, 13764, 13950, 14726, 14925, 16650, 17205, 17910, 18507, 19900, 20646, 22089, 22940, 24676, 27900, 28675, 29452, 29850, 30845, 33300, 34410, 35820, 36815, 37014, 41292, 44178, 44775, 51615, 55521, 57350, 59700, 61690, 66267, 68820, 73630, 74028, 86025, 88356, 89550, 92535, 103230, 110445, 111042, 114700, 123380, 132534, 147260, 154225, 172050, 179100, 184075, 185070, 206460, 220890, 222084, 228253, 258075, 265068, 277605, 308450, 331335, 344100, 368150, 370140, 441780, 456506, 462675, 516150, 552225, 555210, 616900, 662670, 684759, 736300, 913012, 925350, 1032300, 1104450, 1110420, 1141265, 1325340, 1369518, 1388025, 1656675, 1850700, 2054277, 2208900, 2282530, 2739036, 2776050, 3313350, 3423795, 4108554, 4565060, 5552100, 5706325, 6626700, 6847590, 8217108, 10271385, 11412650, 13695180, 17118975, 20542770, 22825300, 34237950, 41085540, 51356925, 68475900, 102713850, 205427700]

約数ペア:

[(1, 205427700), (2, 102713850), (3, 68475900), (4, 51356925), (5, 41085540), (6, 34237950), (9, 22825300), (10, 20542770), (12, 17118975), (15, 13695180), (18, 11412650), (20, 10271385), (25, 8217108), (30, 6847590), (31, 6626700), (36, 5706325), (37, 5552100), (45, 4565060), (50, 4108554), (60, 3423795), (62, 3313350), (74, 2776050), (75, 2739036), (90, 2282530), (93, 2208900), (100, 2054277), (111, 1850700), (124, 1656675), (148, 1388025), (150, 1369518), (155, 1325340), (180, 1141265), (185, 1110420), (186, 1104450), (199, 1032300), (222, 925350), (225, 913012), (279, 736300), (300, 684759), (310, 662670), (333, 616900), (370, 555210), (372, 552225), (398, 516150), (444, 462675), (450, 456506), (465, 441780), (555, 370140), (558, 368150), (597, 344100), (620, 331335), (666, 308450), (740, 277605), (775, 265068), (796, 258075), (900, 228253), (925, 222084), (930, 220890), (995, 206460), (1110, 185070), (1116, 184075), (1147, 179100), (1194, 172050), (1332, 154225), (1395, 147260), (1550, 132534), (1665, 123380), (1791, 114700), (1850, 111042), (1860, 110445), (1990, 103230), (2220, 92535), (2294, 89550), (2325, 88356), (2388, 86025), (2775, 74028), (2790, 73630), (2985, 68820), (3100, 66267), (3330, 61690), (3441, 59700), (3582, 57350), (3700, 55521), (3980, 51615), (4588, 44775), (4650, 44178), (4975, 41292), (5550, 37014), (5580, 36815), (5735, 35820), (5970, 34410), (6169, 33300), (6660, 30845), (6882, 29850), (6975, 29452), (7164, 28675), (7363, 27900), (8325, 24676), (8955, 22940), (9300, 22089), (9950, 20646), (10323, 19900), (11100, 18507), (11470, 17910), (11940, 17205), (12338, 16650), (13764, 14925), (13950, 14726)]