209908440

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2687}}^1$

素因数の和:2742

約数の個数: 192

約数和(自身を含む): 805109760

約数和(自身を除く): 595201320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 56, 60, 62, 63, 70, 72, 84, 90, 93, 105, 120, 124, 126, 140, 155, 168, 180, 186, 210, 217, 248, 252, 279, 280, 310, 315, 360, 372, 420, 434, 465, 504, 558, 620, 630, 651, 744, 840, 868, 930, 1085, 1116, 1240, 1260, 1302, 1395, 1736, 1860, 1953, 2170, 2232, 2520, 2604, 2687, 2790, 3255, 3720, 3906, 4340, 5208, 5374, 5580, 6510, 7812, 8061, 8680, 9765, 10748, 11160, 13020, 13435, 15624, 16122, 18809, 19530, 21496, 24183, 26040, 26870, 32244, 37618, 39060, 40305, 48366, 53740, 56427, 64488, 75236, 78120, 80610, 83297, 94045, 96732, 107480, 112854, 120915, 150472, 161220, 166594, 169281, 188090, 193464, 225708, 241830, 249891, 282135, 322440, 333188, 338562, 376180, 416485, 451416, 483660, 499782, 564270, 583079, 666376, 677124, 749673, 752360, 832970, 846405, 967320, 999564, 1128540, 1166158, 1249455, 1354248, 1499346, 1665940, 1692810, 1749237, 1999128, 2257080, 2332316, 2498910, 2915395, 2998692, 3331880, 3385620, 3498474, 3748365, 4664632, 4997820, 5247711, 5830790, 5997384, 6771240, 6996948, 7496730, 8746185, 9995640, 10495422, 11661580, 13993896, 14993460, 17492370, 20990844, 23323160, 26238555, 29986920, 34984740, 41981688, 52477110, 69969480, 104954220, 209908440]

約数ペア:

[(1, 209908440), (2, 104954220), (3, 69969480), (4, 52477110), (5, 41981688), (6, 34984740), (7, 29986920), (8, 26238555), (9, 23323160), (10, 20990844), (12, 17492370), (14, 14993460), (15, 13993896), (18, 11661580), (20, 10495422), (21, 9995640), (24, 8746185), (28, 7496730), (30, 6996948), (31, 6771240), (35, 5997384), (36, 5830790), (40, 5247711), (42, 4997820), (45, 4664632), (56, 3748365), (60, 3498474), (62, 3385620), (63, 3331880), (70, 2998692), (72, 2915395), (84, 2498910), (90, 2332316), (93, 2257080), (105, 1999128), (120, 1749237), (124, 1692810), (126, 1665940), (140, 1499346), (155, 1354248), (168, 1249455), (180, 1166158), (186, 1128540), (210, 999564), (217, 967320), (248, 846405), (252, 832970), (279, 752360), (280, 749673), (310, 677124), (315, 666376), (360, 583079), (372, 564270), (420, 499782), (434, 483660), (465, 451416), (504, 416485), (558, 376180), (620, 338562), (630, 333188), (651, 322440), (744, 282135), (840, 249891), (868, 241830), (930, 225708), (1085, 193464), (1116, 188090), (1240, 169281), (1260, 166594), (1302, 161220), (1395, 150472), (1736, 120915), (1860, 112854), (1953, 107480), (2170, 96732), (2232, 94045), (2520, 83297), (2604, 80610), (2687, 78120), (2790, 75236), (3255, 64488), (3720, 56427), (3906, 53740), (4340, 48366), (5208, 40305), (5374, 39060), (5580, 37618), (6510, 32244), (7812, 26870), (8061, 26040), (8680, 24183), (9765, 21496), (10748, 19530), (11160, 18809), (13020, 16122), (13435, 15624)]