205484940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:396

約数の個数: 144

約数和(自身を含む): 645345792

約数和(自身を除く): 439860852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 107, 141, 180, 188, 214, 227, 235, 282, 321, 423, 428, 454, 470, 535, 564, 642, 681, 705, 846, 908, 940, 963, 1070, 1135, 1284, 1362, 1410, 1605, 1692, 1926, 2043, 2115, 2140, 2270, 2724, 2820, 3210, 3405, 3852, 4086, 4230, 4540, 4815, 5029, 6420, 6810, 8172, 8460, 9630, 10058, 10215, 10669, 13620, 15087, 19260, 20116, 20430, 21338, 24289, 25145, 30174, 32007, 40860, 42676, 45261, 48578, 50290, 53345, 60348, 64014, 72867, 75435, 90522, 96021, 97156, 100580, 106690, 121445, 128028, 145734, 150870, 160035, 181044, 192042, 213380, 218601, 226305, 242890, 291468, 301740, 320070, 364335, 384084, 437202, 452610, 480105, 485780, 640140, 728670, 874404, 905220, 960210, 1093005, 1141583, 1457340, 1920420, 2186010, 2283166, 3424749, 4372020, 4566332, 5707915, 6849498, 10274247, 11415830, 13698996, 17123745, 20548494, 22831660, 34247490, 41096988, 51371235, 68494980, 102742470, 205484940]

約数ペア:

[(1, 205484940), (2, 102742470), (3, 68494980), (4, 51371235), (5, 41096988), (6, 34247490), (9, 22831660), (10, 20548494), (12, 17123745), (15, 13698996), (18, 11415830), (20, 10274247), (30, 6849498), (36, 5707915), (45, 4566332), (47, 4372020), (60, 3424749), (90, 2283166), (94, 2186010), (107, 1920420), (141, 1457340), (180, 1141583), (188, 1093005), (214, 960210), (227, 905220), (235, 874404), (282, 728670), (321, 640140), (423, 485780), (428, 480105), (454, 452610), (470, 437202), (535, 384084), (564, 364335), (642, 320070), (681, 301740), (705, 291468), (846, 242890), (908, 226305), (940, 218601), (963, 213380), (1070, 192042), (1135, 181044), (1284, 160035), (1362, 150870), (1410, 145734), (1605, 128028), (1692, 121445), (1926, 106690), (2043, 100580), (2115, 97156), (2140, 96021), (2270, 90522), (2724, 75435), (2820, 72867), (3210, 64014), (3405, 60348), (3852, 53345), (4086, 50290), (4230, 48578), (4540, 45261), (4815, 42676), (5029, 40860), (6420, 32007), (6810, 30174), (8172, 25145), (8460, 24289), (9630, 21338), (10058, 20430), (10215, 20116), (10669, 19260), (13620, 15087)]