280053620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{313}}^1$

素因数の和:430

約数の個数: 144

約数和(自身を含む): 757729728

約数和(自身を除く): 477676108

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 83, 98, 110, 140, 154, 166, 196, 220, 245, 308, 313, 332, 385, 415, 490, 539, 581, 626, 770, 830, 913, 980, 1078, 1162, 1252, 1540, 1565, 1660, 1826, 2156, 2191, 2324, 2695, 2905, 3130, 3443, 3652, 4067, 4382, 4565, 5390, 5810, 6260, 6391, 6886, 8134, 8764, 9130, 10780, 10955, 11620, 12782, 13772, 15337, 16268, 17215, 18260, 20335, 21910, 24101, 25564, 25979, 30674, 31955, 34430, 40670, 43820, 44737, 48202, 51958, 61348, 63910, 68860, 76685, 81340, 89474, 96404, 103916, 120505, 127820, 129895, 153370, 168707, 178948, 181853, 223685, 241010, 259790, 285769, 306740, 337414, 363706, 447370, 482020, 519580, 571538, 674828, 727412, 843535, 894740, 909265, 1143076, 1272971, 1428845, 1687070, 1818530, 2000383, 2545942, 2857690, 3374140, 3637060, 4000766, 5091884, 5715380, 6364855, 8001532, 10001915, 12729710, 14002681, 20003830, 25459420, 28005362, 40007660, 56010724, 70013405, 140026810, 280053620]

約数ペア:

[(1, 280053620), (2, 140026810), (4, 70013405), (5, 56010724), (7, 40007660), (10, 28005362), (11, 25459420), (14, 20003830), (20, 14002681), (22, 12729710), (28, 10001915), (35, 8001532), (44, 6364855), (49, 5715380), (55, 5091884), (70, 4000766), (77, 3637060), (83, 3374140), (98, 2857690), (110, 2545942), (140, 2000383), (154, 1818530), (166, 1687070), (196, 1428845), (220, 1272971), (245, 1143076), (308, 909265), (313, 894740), (332, 843535), (385, 727412), (415, 674828), (490, 571538), (539, 519580), (581, 482020), (626, 447370), (770, 363706), (830, 337414), (913, 306740), (980, 285769), (1078, 259790), (1162, 241010), (1252, 223685), (1540, 181853), (1565, 178948), (1660, 168707), (1826, 153370), (2156, 129895), (2191, 127820), (2324, 120505), (2695, 103916), (2905, 96404), (3130, 89474), (3443, 81340), (3652, 76685), (4067, 68860), (4382, 63910), (4565, 61348), (5390, 51958), (5810, 48202), (6260, 44737), (6391, 43820), (6886, 40670), (8134, 34430), (8764, 31955), (9130, 30674), (10780, 25979), (10955, 25564), (11620, 24101), (12782, 21910), (13772, 20335), (15337, 18260), (16268, 17215)]