205590420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:559

約数の個数: 192

約数和(自身を含む): 738178560

約数和(自身を除く): 532588140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 137, 140, 180, 189, 210, 252, 270, 274, 315, 378, 397, 411, 420, 540, 548, 630, 685, 756, 794, 822, 945, 959, 1191, 1233, 1260, 1370, 1588, 1644, 1890, 1918, 1985, 2055, 2382, 2466, 2740, 2779, 2877, 3573, 3699, 3780, 3836, 3970, 4110, 4764, 4795, 4932, 5558, 5754, 5955, 6165, 7146, 7398, 7940, 8220, 8337, 8631, 9590, 10719, 11116, 11508, 11910, 12330, 13895, 14292, 14385, 14796, 16674, 17262, 17865, 18495, 19180, 21438, 23820, 24660, 25011, 25893, 27790, 28770, 33348, 34524, 35730, 36990, 41685, 42876, 43155, 50022, 51786, 53595, 54389, 55580, 57540, 71460, 73980, 75033, 83370, 86310, 100044, 103572, 107190, 108778, 125055, 129465, 150066, 163167, 166740, 172620, 214380, 217556, 250110, 258930, 271945, 300132, 326334, 375165, 380723, 489501, 500220, 517860, 543890, 652668, 750330, 761446, 815835, 979002, 1087780, 1142169, 1468503, 1500660, 1522892, 1631670, 1903615, 1958004, 2284338, 2447505, 2937006, 3263340, 3426507, 3807230, 4568676, 4895010, 5710845, 5874012, 6853014, 7342515, 7614460, 9790020, 10279521, 11421690, 13706028, 14685030, 17132535, 20559042, 22843380, 29370060, 34265070, 41118084, 51397605, 68530140, 102795210, 205590420]

約数ペア:

[(1, 205590420), (2, 102795210), (3, 68530140), (4, 51397605), (5, 41118084), (6, 34265070), (7, 29370060), (9, 22843380), (10, 20559042), (12, 17132535), (14, 14685030), (15, 13706028), (18, 11421690), (20, 10279521), (21, 9790020), (27, 7614460), (28, 7342515), (30, 6853014), (35, 5874012), (36, 5710845), (42, 4895010), (45, 4568676), (54, 3807230), (60, 3426507), (63, 3263340), (70, 2937006), (84, 2447505), (90, 2284338), (105, 1958004), (108, 1903615), (126, 1631670), (135, 1522892), (137, 1500660), (140, 1468503), (180, 1142169), (189, 1087780), (210, 979002), (252, 815835), (270, 761446), (274, 750330), (315, 652668), (378, 543890), (397, 517860), (411, 500220), (420, 489501), (540, 380723), (548, 375165), (630, 326334), (685, 300132), (756, 271945), (794, 258930), (822, 250110), (945, 217556), (959, 214380), (1191, 172620), (1233, 166740), (1260, 163167), (1370, 150066), (1588, 129465), (1644, 125055), (1890, 108778), (1918, 107190), (1985, 103572), (2055, 100044), (2382, 86310), (2466, 83370), (2740, 75033), (2779, 73980), (2877, 71460), (3573, 57540), (3699, 55580), (3780, 54389), (3836, 53595), (3970, 51786), (4110, 50022), (4764, 43155), (4795, 42876), (4932, 41685), (5558, 36990), (5754, 35730), (5955, 34524), (6165, 33348), (7146, 28770), (7398, 27790), (7940, 25893), (8220, 25011), (8337, 24660), (8631, 23820), (9590, 21438), (10719, 19180), (11116, 18495), (11508, 17865), (11910, 17262), (12330, 16674), (13895, 14796), (14292, 14385)]