20087529400

素因数分解:

$2^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:582

約数の個数: 192

約数和(自身を含む): 49278096000

約数和(自身を除く): 29190566600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 50, 59, 74, 100, 118, 139, 148, 185, 200, 236, 278, 295, 296, 331, 370, 472, 556, 590, 662, 695, 740, 925, 1112, 1180, 1324, 1390, 1475, 1480, 1655, 1850, 2183, 2360, 2648, 2780, 2950, 3310, 3475, 3700, 4366, 5143, 5560, 5900, 6620, 6950, 7400, 8201, 8275, 8732, 10286, 10915, 11800, 12247, 13240, 13900, 16402, 16550, 17464, 19529, 20572, 21830, 24494, 25715, 27800, 32804, 33100, 39058, 41005, 41144, 43660, 46009, 48988, 51430, 54575, 61235, 65608, 66200, 78116, 82010, 87320, 92018, 97645, 97976, 102860, 109150, 122470, 128575, 156232, 164020, 184036, 195290, 205025, 205720, 218300, 230045, 244940, 257150, 303437, 306175, 328040, 368072, 390580, 410050, 436600, 460090, 488225, 489880, 514300, 606874, 612350, 722573, 781160, 820100, 920180, 976450, 1028600, 1150225, 1213748, 1224700, 1445146, 1517185, 1640200, 1702333, 1840360, 1952900, 2300450, 2427496, 2449400, 2714531, 2890292, 3034370, 3404666, 3612865, 3905800, 4600900, 5429062, 5780584, 6068740, 6809332, 7225730, 7585925, 8511665, 9201800, 10858124, 12137480, 13572655, 13618664, 14451460, 15171850, 17023330, 18064325, 21716248, 27145310, 28902920, 30343700, 34046660, 36128650, 42558325, 54290620, 60687400, 67863275, 68093320, 72257300, 85116650, 100437647, 108581240, 135726550, 144514600, 170233300, 200875294, 271453100, 340466600, 401750588, 502188235, 542906200, 803501176, 1004376470, 2008752940, 2510941175, 4017505880, 5021882350, 10043764700, 20087529400]

約数ペア:

[(1, 20087529400), (2, 10043764700), (4, 5021882350), (5, 4017505880), (8, 2510941175), (10, 2008752940), (20, 1004376470), (25, 803501176), (37, 542906200), (40, 502188235), (50, 401750588), (59, 340466600), (74, 271453100), (100, 200875294), (118, 170233300), (139, 144514600), (148, 135726550), (185, 108581240), (200, 100437647), (236, 85116650), (278, 72257300), (295, 68093320), (296, 67863275), (331, 60687400), (370, 54290620), (472, 42558325), (556, 36128650), (590, 34046660), (662, 30343700), (695, 28902920), (740, 27145310), (925, 21716248), (1112, 18064325), (1180, 17023330), (1324, 15171850), (1390, 14451460), (1475, 13618664), (1480, 13572655), (1655, 12137480), (1850, 10858124), (2183, 9201800), (2360, 8511665), (2648, 7585925), (2780, 7225730), (2950, 6809332), (3310, 6068740), (3475, 5780584), (3700, 5429062), (4366, 4600900), (5143, 3905800), (5560, 3612865), (5900, 3404666), (6620, 3034370), (6950, 2890292), (7400, 2714531), (8201, 2449400), (8275, 2427496), (8732, 2300450), (10286, 1952900), (10915, 1840360), (11800, 1702333), (12247, 1640200), (13240, 1517185), (13900, 1445146), (16402, 1224700), (16550, 1213748), (17464, 1150225), (19529, 1028600), (20572, 976450), (21830, 920180), (24494, 820100), (25715, 781160), (27800, 722573), (32804, 612350), (33100, 606874), (39058, 514300), (41005, 489880), (41144, 488225), (43660, 460090), (46009, 436600), (48988, 410050), (51430, 390580), (54575, 368072), (61235, 328040), (65608, 306175), (66200, 303437), (78116, 257150), (82010, 244940), (87320, 230045), (92018, 218300), (97645, 205720), (97976, 205025), (102860, 195290), (109150, 184036), (122470, 164020), (128575, 156232)]