217882000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:306

約数の個数: 160

約数和(自身を含む): 612817920

約数和(自身を除く): 394935920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 79, 80, 100, 112, 125, 140, 158, 175, 197, 200, 250, 280, 316, 350, 394, 395, 400, 500, 553, 560, 632, 700, 788, 790, 875, 985, 1000, 1106, 1264, 1379, 1400, 1576, 1580, 1750, 1970, 1975, 2000, 2212, 2758, 2765, 2800, 3152, 3160, 3500, 3940, 3950, 4424, 4925, 5516, 5530, 6320, 6895, 7000, 7880, 7900, 8848, 9850, 9875, 11032, 11060, 13790, 13825, 14000, 15563, 15760, 15800, 19700, 19750, 22064, 22120, 24625, 27580, 27650, 31126, 31600, 34475, 39400, 39500, 44240, 49250, 55160, 55300, 62252, 68950, 69125, 77815, 78800, 79000, 98500, 108941, 110320, 110600, 124504, 137900, 138250, 155630, 158000, 172375, 197000, 217882, 221200, 249008, 275800, 276500, 311260, 344750, 389075, 394000, 435764, 544705, 551600, 553000, 622520, 689500, 778150, 871528, 1089410, 1106000, 1245040, 1379000, 1556300, 1743056, 1945375, 2178820, 2723525, 2758000, 3112600, 3890750, 4357640, 5447050, 6225200, 7781500, 8715280, 10894100, 13617625, 15563000, 21788200, 27235250, 31126000, 43576400, 54470500, 108941000, 217882000]

約数ペア:

[(1, 217882000), (2, 108941000), (4, 54470500), (5, 43576400), (7, 31126000), (8, 27235250), (10, 21788200), (14, 15563000), (16, 13617625), (20, 10894100), (25, 8715280), (28, 7781500), (35, 6225200), (40, 5447050), (50, 4357640), (56, 3890750), (70, 3112600), (79, 2758000), (80, 2723525), (100, 2178820), (112, 1945375), (125, 1743056), (140, 1556300), (158, 1379000), (175, 1245040), (197, 1106000), (200, 1089410), (250, 871528), (280, 778150), (316, 689500), (350, 622520), (394, 553000), (395, 551600), (400, 544705), (500, 435764), (553, 394000), (560, 389075), (632, 344750), (700, 311260), (788, 276500), (790, 275800), (875, 249008), (985, 221200), (1000, 217882), (1106, 197000), (1264, 172375), (1379, 158000), (1400, 155630), (1576, 138250), (1580, 137900), (1750, 124504), (1970, 110600), (1975, 110320), (2000, 108941), (2212, 98500), (2758, 79000), (2765, 78800), (2800, 77815), (3152, 69125), (3160, 68950), (3500, 62252), (3940, 55300), (3950, 55160), (4424, 49250), (4925, 44240), (5516, 39500), (5530, 39400), (6320, 34475), (6895, 31600), (7000, 31126), (7880, 27650), (7900, 27580), (8848, 24625), (9850, 22120), (9875, 22064), (11032, 19750), (11060, 19700), (13790, 15800), (13825, 15760), (14000, 15563)]