1621340000

素因数分解:

$2^5\times 5^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1$

素因数の和:387

約数の個数: 240

約数和(自身を含む): 4696721568

約数和(自身を除く): 3075381568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 37, 40, 50, 56, 70, 74, 80, 100, 112, 125, 140, 148, 160, 175, 185, 200, 224, 250, 259, 280, 296, 313, 350, 370, 400, 500, 518, 560, 592, 625, 626, 700, 740, 800, 875, 925, 1000, 1036, 1120, 1184, 1250, 1252, 1295, 1400, 1480, 1565, 1750, 1850, 2000, 2072, 2191, 2500, 2504, 2590, 2800, 2960, 3130, 3500, 3700, 4000, 4144, 4375, 4382, 4625, 5000, 5008, 5180, 5600, 5920, 6260, 6475, 7000, 7400, 7825, 8288, 8750, 8764, 9250, 10000, 10016, 10360, 10955, 11581, 12520, 12950, 14000, 14800, 15650, 17500, 17528, 18500, 20000, 20720, 21910, 23125, 23162, 25040, 25900, 28000, 29600, 31300, 32375, 35000, 35056, 37000, 39125, 41440, 43820, 46250, 46324, 50080, 51800, 54775, 57905, 62600, 64750, 70000, 70112, 74000, 78250, 81067, 87640, 92500, 92648, 103600, 109550, 115810, 125200, 129500, 140000, 148000, 156500, 161875, 162134, 175280, 185000, 185296, 195625, 207200, 219100, 231620, 250400, 259000, 273875, 289525, 313000, 323750, 324268, 350560, 370000, 370592, 391250, 405335, 438200, 463240, 518000, 547750, 579050, 626000, 647500, 648536, 740000, 782500, 810670, 876400, 926480, 1036000, 1095500, 1158100, 1252000, 1295000, 1297072, 1369375, 1447625, 1565000, 1621340, 1752800, 1852960, 2026675, 2191000, 2316200, 2590000, 2594144, 2738750, 2895250, 3130000, 3242680, 4053350, 4382000, 4632400, 5180000, 5477500, 5790500, 6260000, 6485360, 7238125, 8106700, 8764000, 9264800, 10133375, 10955000, 11581000, 12970720, 14476250, 16213400, 20266750, 21910000, 23162000, 28952500, 32426800, 40533500, 43820000, 46324000, 50666875, 57905000, 64853600, 81067000, 101333750, 115810000, 162134000, 202667500, 231620000, 324268000, 405335000, 810670000, 1621340000]

約数ペア:

[(1, 1621340000), (2, 810670000), (4, 405335000), (5, 324268000), (7, 231620000), (8, 202667500), (10, 162134000), (14, 115810000), (16, 101333750), (20, 81067000), (25, 64853600), (28, 57905000), (32, 50666875), (35, 46324000), (37, 43820000), (40, 40533500), (50, 32426800), (56, 28952500), (70, 23162000), (74, 21910000), (80, 20266750), (100, 16213400), (112, 14476250), (125, 12970720), (140, 11581000), (148, 10955000), (160, 10133375), (175, 9264800), (185, 8764000), (200, 8106700), (224, 7238125), (250, 6485360), (259, 6260000), (280, 5790500), (296, 5477500), (313, 5180000), (350, 4632400), (370, 4382000), (400, 4053350), (500, 3242680), (518, 3130000), (560, 2895250), (592, 2738750), (625, 2594144), (626, 2590000), (700, 2316200), (740, 2191000), (800, 2026675), (875, 1852960), (925, 1752800), (1000, 1621340), (1036, 1565000), (1120, 1447625), (1184, 1369375), (1250, 1297072), (1252, 1295000), (1295, 1252000), (1400, 1158100), (1480, 1095500), (1565, 1036000), (1750, 926480), (1850, 876400), (2000, 810670), (2072, 782500), (2191, 740000), (2500, 648536), (2504, 647500), (2590, 626000), (2800, 579050), (2960, 547750), (3130, 518000), (3500, 463240), (3700, 438200), (4000, 405335), (4144, 391250), (4375, 370592), (4382, 370000), (4625, 350560), (5000, 324268), (5008, 323750), (5180, 313000), (5600, 289525), (5920, 273875), (6260, 259000), (6475, 250400), (7000, 231620), (7400, 219100), (7825, 207200), (8288, 195625), (8750, 185296), (8764, 185000), (9250, 175280), (10000, 162134), (10016, 161875), (10360, 156500), (10955, 148000), (11581, 140000), (12520, 129500), (12950, 125200), (14000, 115810), (14800, 109550), (15650, 103600), (17500, 92648), (17528, 92500), (18500, 87640), (20000, 81067), (20720, 78250), (21910, 74000), (23125, 70112), (23162, 70000), (25040, 64750), (25900, 62600), (28000, 57905), (29600, 54775), (31300, 51800), (32375, 50080), (35000, 46324), (35056, 46250), (37000, 43820), (39125, 41440)]