656666140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:224

約数の個数: 192

約数和(自身を含む): 1676505600

約数和(自身を除く): 1019839460

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 29, 34, 47, 52, 58, 65, 68, 85, 94, 109, 116, 130, 145, 170, 188, 218, 221, 235, 260, 290, 340, 377, 436, 442, 470, 493, 545, 580, 611, 754, 799, 884, 940, 986, 1090, 1105, 1222, 1363, 1417, 1508, 1598, 1853, 1885, 1972, 2180, 2210, 2444, 2465, 2726, 2834, 3055, 3161, 3196, 3706, 3770, 3995, 4420, 4930, 5123, 5452, 5668, 6110, 6322, 6409, 6815, 7085, 7412, 7540, 7990, 9265, 9860, 10246, 10387, 12220, 12644, 12818, 13630, 14170, 15805, 15980, 17719, 18530, 20492, 20774, 23171, 24089, 25615, 25636, 27260, 28340, 31610, 32045, 35438, 37060, 41093, 41548, 46342, 48178, 51230, 51935, 53737, 63220, 64090, 66599, 70876, 82186, 87091, 88595, 92684, 96356, 102460, 103870, 107474, 115855, 120445, 128180, 133198, 148567, 164372, 174182, 177190, 205465, 207740, 214948, 231710, 240890, 266396, 268685, 297134, 301223, 332995, 348364, 354380, 410930, 435455, 463420, 481780, 537370, 594268, 602446, 665990, 698581, 742835, 821860, 870910, 1074740, 1132183, 1204892, 1331980, 1397162, 1485670, 1506115, 1741820, 1931371, 2264366, 2525639, 2794324, 2971340, 3012230, 3492905, 3862742, 4528732, 5051278, 5660915, 6024460, 6985810, 7725484, 9656855, 10102556, 11321830, 12628195, 13971620, 19313710, 22643660, 25256390, 32833307, 38627420, 50512780, 65666614, 131333228, 164166535, 328333070, 656666140]

約数ペア:

[(1, 656666140), (2, 328333070), (4, 164166535), (5, 131333228), (10, 65666614), (13, 50512780), (17, 38627420), (20, 32833307), (26, 25256390), (29, 22643660), (34, 19313710), (47, 13971620), (52, 12628195), (58, 11321830), (65, 10102556), (68, 9656855), (85, 7725484), (94, 6985810), (109, 6024460), (116, 5660915), (130, 5051278), (145, 4528732), (170, 3862742), (188, 3492905), (218, 3012230), (221, 2971340), (235, 2794324), (260, 2525639), (290, 2264366), (340, 1931371), (377, 1741820), (436, 1506115), (442, 1485670), (470, 1397162), (493, 1331980), (545, 1204892), (580, 1132183), (611, 1074740), (754, 870910), (799, 821860), (884, 742835), (940, 698581), (986, 665990), (1090, 602446), (1105, 594268), (1222, 537370), (1363, 481780), (1417, 463420), (1508, 435455), (1598, 410930), (1853, 354380), (1885, 348364), (1972, 332995), (2180, 301223), (2210, 297134), (2444, 268685), (2465, 266396), (2726, 240890), (2834, 231710), (3055, 214948), (3161, 207740), (3196, 205465), (3706, 177190), (3770, 174182), (3995, 164372), (4420, 148567), (4930, 133198), (5123, 128180), (5452, 120445), (5668, 115855), (6110, 107474), (6322, 103870), (6409, 102460), (6815, 96356), (7085, 92684), (7412, 88595), (7540, 87091), (7990, 82186), (9265, 70876), (9860, 66599), (10246, 64090), (10387, 63220), (12220, 53737), (12644, 51935), (12818, 51230), (13630, 48178), (14170, 46342), (15805, 41548), (15980, 41093), (17719, 37060), (18530, 35438), (20492, 32045), (20774, 31610), (23171, 28340), (24089, 27260), (25615, 25636)]