191978080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{521}}^1$

素因数の和:597

約数の個数: 144

約数和(自身を含む): 539856576

約数和(自身を除く): 347878496

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 47, 49, 56, 70, 80, 94, 98, 112, 140, 160, 188, 196, 224, 235, 245, 280, 329, 376, 392, 470, 490, 521, 560, 658, 752, 784, 940, 980, 1042, 1120, 1316, 1504, 1568, 1645, 1880, 1960, 2084, 2303, 2605, 2632, 3290, 3647, 3760, 3920, 4168, 4606, 5210, 5264, 6580, 7294, 7520, 7840, 8336, 9212, 10420, 10528, 11515, 13160, 14588, 16672, 18235, 18424, 20840, 23030, 24487, 25529, 26320, 29176, 36470, 36848, 41680, 46060, 48974, 51058, 52640, 58352, 72940, 73696, 83360, 92120, 97948, 102116, 116704, 122435, 127645, 145880, 171409, 184240, 195896, 204232, 244870, 255290, 291760, 342818, 368480, 391792, 408464, 489740, 510580, 583520, 685636, 783584, 816928, 857045, 979480, 1021160, 1199863, 1371272, 1714090, 1958960, 2042320, 2399726, 2742544, 3428180, 3917920, 4084640, 4799452, 5485088, 5999315, 6856360, 9598904, 11998630, 13712720, 19197808, 23997260, 27425440, 38395616, 47994520, 95989040, 191978080]

約数ペア:

[(1, 191978080), (2, 95989040), (4, 47994520), (5, 38395616), (7, 27425440), (8, 23997260), (10, 19197808), (14, 13712720), (16, 11998630), (20, 9598904), (28, 6856360), (32, 5999315), (35, 5485088), (40, 4799452), (47, 4084640), (49, 3917920), (56, 3428180), (70, 2742544), (80, 2399726), (94, 2042320), (98, 1958960), (112, 1714090), (140, 1371272), (160, 1199863), (188, 1021160), (196, 979480), (224, 857045), (235, 816928), (245, 783584), (280, 685636), (329, 583520), (376, 510580), (392, 489740), (470, 408464), (490, 391792), (521, 368480), (560, 342818), (658, 291760), (752, 255290), (784, 244870), (940, 204232), (980, 195896), (1042, 184240), (1120, 171409), (1316, 145880), (1504, 127645), (1568, 122435), (1645, 116704), (1880, 102116), (1960, 97948), (2084, 92120), (2303, 83360), (2605, 73696), (2632, 72940), (3290, 58352), (3647, 52640), (3760, 51058), (3920, 48974), (4168, 46060), (4606, 41680), (5210, 36848), (5264, 36470), (6580, 29176), (7294, 26320), (7520, 25529), (7840, 24487), (8336, 23030), (9212, 20840), (10420, 18424), (10528, 18235), (11515, 16672), (13160, 14588)]