201909800

素因数分解:

$2^3\times 5^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:387

約数の個数: 96

約数和(自身を含む): 486129600

約数和(自身を除く): 284219800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 59, 71, 100, 118, 142, 200, 236, 241, 284, 295, 355, 472, 482, 568, 590, 710, 964, 1180, 1205, 1420, 1475, 1775, 1928, 2360, 2410, 2840, 2950, 3550, 4189, 4820, 5900, 6025, 7100, 8378, 9640, 11800, 12050, 14200, 14219, 16756, 17111, 20945, 24100, 28438, 33512, 34222, 41890, 48200, 56876, 68444, 71095, 83780, 85555, 104725, 113752, 136888, 142190, 167560, 171110, 209450, 284380, 342220, 355475, 418900, 427775, 568760, 684440, 710950, 837800, 855550, 1009549, 1421900, 1711100, 2019098, 2843800, 3422200, 4038196, 5047745, 8076392, 10095490, 20190980, 25238725, 40381960, 50477450, 100954900, 201909800]

約数ペア:

[(1, 201909800), (2, 100954900), (4, 50477450), (5, 40381960), (8, 25238725), (10, 20190980), (20, 10095490), (25, 8076392), (40, 5047745), (50, 4038196), (59, 3422200), (71, 2843800), (100, 2019098), (118, 1711100), (142, 1421900), (200, 1009549), (236, 855550), (241, 837800), (284, 710950), (295, 684440), (355, 568760), (472, 427775), (482, 418900), (568, 355475), (590, 342220), (710, 284380), (964, 209450), (1180, 171110), (1205, 167560), (1420, 142190), (1475, 136888), (1775, 113752), (1928, 104725), (2360, 85555), (2410, 83780), (2840, 71095), (2950, 68444), (3550, 56876), (4189, 48200), (4820, 41890), (5900, 34222), (6025, 33512), (7100, 28438), (8378, 24100), (9640, 20945), (11800, 17111), (12050, 16756), (14200, 14219)]