197917020

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{563}}^1$

素因数の和:622

約数の個数: 240

約数和(自身を含む): 733759488

約数和(自身を除く): 535842468

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 31, 35, 36, 42, 45, 54, 60, 62, 63, 70, 81, 84, 90, 93, 105, 108, 124, 126, 135, 140, 155, 162, 180, 186, 189, 210, 217, 252, 270, 279, 310, 315, 324, 372, 378, 405, 420, 434, 465, 540, 558, 563, 567, 620, 630, 651, 756, 810, 837, 868, 930, 945, 1085, 1116, 1126, 1134, 1260, 1302, 1395, 1620, 1674, 1689, 1860, 1890, 1953, 2170, 2252, 2268, 2511, 2604, 2790, 2815, 2835, 3255, 3348, 3378, 3780, 3906, 3941, 4185, 4340, 5022, 5067, 5580, 5630, 5670, 5859, 6510, 6756, 7812, 7882, 8370, 8445, 9765, 10044, 10134, 11260, 11340, 11718, 11823, 12555, 13020, 15201, 15764, 16740, 16890, 17453, 17577, 19530, 19705, 20268, 23436, 23646, 25110, 25335, 29295, 30402, 33780, 34906, 35154, 35469, 39060, 39410, 45603, 47292, 50220, 50670, 52359, 58590, 59115, 60804, 69812, 70308, 70938, 76005, 78820, 87265, 87885, 91206, 101340, 104718, 106407, 117180, 118230, 122171, 141876, 152010, 157077, 174530, 175770, 177345, 182412, 209436, 212814, 228015, 236460, 244342, 261795, 304020, 314154, 319221, 349060, 351540, 354690, 366513, 425628, 456030, 471231, 488684, 523590, 532035, 610855, 628308, 638442, 709380, 733026, 785385, 912060, 942462, 1047180, 1064070, 1099539, 1221710, 1276884, 1413693, 1466052, 1570770, 1596105, 1832565, 1884924, 2128140, 2199078, 2356155, 2443420, 2827386, 3141540, 3192210, 3298617, 3665130, 4398156, 4712310, 5497695, 5654772, 6384420, 6597234, 7068465, 7330260, 9424620, 9895851, 10995390, 13194468, 14136930, 16493085, 19791702, 21990780, 28273860, 32986170, 39583404, 49479255, 65972340, 98958510, 197917020]

約数ペア:

[(1, 197917020), (2, 98958510), (3, 65972340), (4, 49479255), (5, 39583404), (6, 32986170), (7, 28273860), (9, 21990780), (10, 19791702), (12, 16493085), (14, 14136930), (15, 13194468), (18, 10995390), (20, 9895851), (21, 9424620), (27, 7330260), (28, 7068465), (30, 6597234), (31, 6384420), (35, 5654772), (36, 5497695), (42, 4712310), (45, 4398156), (54, 3665130), (60, 3298617), (62, 3192210), (63, 3141540), (70, 2827386), (81, 2443420), (84, 2356155), (90, 2199078), (93, 2128140), (105, 1884924), (108, 1832565), (124, 1596105), (126, 1570770), (135, 1466052), (140, 1413693), (155, 1276884), (162, 1221710), (180, 1099539), (186, 1064070), (189, 1047180), (210, 942462), (217, 912060), (252, 785385), (270, 733026), (279, 709380), (310, 638442), (315, 628308), (324, 610855), (372, 532035), (378, 523590), (405, 488684), (420, 471231), (434, 456030), (465, 425628), (540, 366513), (558, 354690), (563, 351540), (567, 349060), (620, 319221), (630, 314154), (651, 304020), (756, 261795), (810, 244342), (837, 236460), (868, 228015), (930, 212814), (945, 209436), (1085, 182412), (1116, 177345), (1126, 175770), (1134, 174530), (1260, 157077), (1302, 152010), (1395, 141876), (1620, 122171), (1674, 118230), (1689, 117180), (1860, 106407), (1890, 104718), (1953, 101340), (2170, 91206), (2252, 87885), (2268, 87265), (2511, 78820), (2604, 76005), (2790, 70938), (2815, 70308), (2835, 69812), (3255, 60804), (3348, 59115), (3378, 58590), (3780, 52359), (3906, 50670), (3941, 50220), (4185, 47292), (4340, 45603), (5022, 39410), (5067, 39060), (5580, 35469), (5630, 35154), (5670, 34906), (5859, 33780), (6510, 30402), (6756, 29295), (7812, 25335), (7882, 25110), (8370, 23646), (8445, 23436), (9765, 20268), (10044, 19705), (10134, 19530), (11260, 17577), (11340, 17453), (11718, 16890), (11823, 16740), (12555, 15764), (13020, 15201)]