1640222000

素因数分解:

$2^4\times 5^3\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:424

約数の個数: 160

約数和(自身を含む): 4182482304

約数和(自身を除く): 2542260304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 125, 181, 184, 197, 200, 230, 250, 362, 368, 394, 400, 460, 500, 575, 724, 788, 905, 920, 985, 1000, 1150, 1448, 1576, 1810, 1840, 1970, 2000, 2300, 2875, 2896, 3152, 3620, 3940, 4163, 4525, 4531, 4600, 4925, 5750, 7240, 7880, 8326, 9050, 9062, 9200, 9850, 11500, 14480, 15760, 16652, 18100, 18124, 19700, 20815, 22625, 22655, 23000, 24625, 33304, 35657, 36200, 36248, 39400, 41630, 45250, 45310, 46000, 49250, 66608, 71314, 72400, 72496, 78800, 83260, 90500, 90620, 98500, 104075, 113275, 142628, 166520, 178285, 181000, 181240, 197000, 208150, 226550, 285256, 333040, 356570, 362000, 362480, 394000, 416300, 453100, 520375, 566375, 570512, 713140, 820111, 832600, 891425, 906200, 1040750, 1132750, 1426280, 1640222, 1665200, 1782850, 1812400, 2081500, 2265500, 2852560, 3280444, 3565700, 4100555, 4163000, 4457125, 4531000, 6560888, 7131400, 8201110, 8326000, 8914250, 9062000, 13121776, 14262800, 16402220, 17828500, 20502775, 32804440, 35657000, 41005550, 65608880, 71314000, 82011100, 102513875, 164022200, 205027750, 328044400, 410055500, 820111000, 1640222000]

約数ペア:

[(1, 1640222000), (2, 820111000), (4, 410055500), (5, 328044400), (8, 205027750), (10, 164022200), (16, 102513875), (20, 82011100), (23, 71314000), (25, 65608880), (40, 41005550), (46, 35657000), (50, 32804440), (80, 20502775), (92, 17828500), (100, 16402220), (115, 14262800), (125, 13121776), (181, 9062000), (184, 8914250), (197, 8326000), (200, 8201110), (230, 7131400), (250, 6560888), (362, 4531000), (368, 4457125), (394, 4163000), (400, 4100555), (460, 3565700), (500, 3280444), (575, 2852560), (724, 2265500), (788, 2081500), (905, 1812400), (920, 1782850), (985, 1665200), (1000, 1640222), (1150, 1426280), (1448, 1132750), (1576, 1040750), (1810, 906200), (1840, 891425), (1970, 832600), (2000, 820111), (2300, 713140), (2875, 570512), (2896, 566375), (3152, 520375), (3620, 453100), (3940, 416300), (4163, 394000), (4525, 362480), (4531, 362000), (4600, 356570), (4925, 333040), (5750, 285256), (7240, 226550), (7880, 208150), (8326, 197000), (9050, 181240), (9062, 181000), (9200, 178285), (9850, 166520), (11500, 142628), (14480, 113275), (15760, 104075), (16652, 98500), (18100, 90620), (18124, 90500), (19700, 83260), (20815, 78800), (22625, 72496), (22655, 72400), (23000, 71314), (24625, 66608), (33304, 49250), (35657, 46000), (36200, 45310), (36248, 45250), (39400, 41630)]