520240280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{811}}^1$

素因数の和:937

約数の個数: 128

約数和(自身を含む): 1403136000

約数和(自身を除く): 882895720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 79, 116, 140, 145, 158, 203, 232, 280, 290, 316, 395, 406, 553, 580, 632, 790, 811, 812, 1015, 1106, 1160, 1580, 1622, 1624, 2030, 2212, 2291, 2765, 3160, 3244, 4055, 4060, 4424, 4582, 5530, 5677, 6488, 8110, 8120, 9164, 11060, 11354, 11455, 16037, 16220, 18328, 22120, 22708, 22910, 23519, 28385, 32074, 32440, 45416, 45820, 47038, 56770, 64069, 64148, 80185, 91640, 94076, 113540, 117595, 128138, 128296, 160370, 164633, 188152, 227080, 235190, 256276, 320345, 320740, 329266, 448483, 470380, 512552, 640690, 641480, 658532, 823165, 896966, 940760, 1281380, 1317064, 1646330, 1793932, 1858001, 2242415, 2562760, 3292660, 3587864, 3716002, 4484830, 6585320, 7432004, 8969660, 9290005, 13006007, 14864008, 17939320, 18580010, 26012014, 37160020, 52024028, 65030035, 74320040, 104048056, 130060070, 260120140, 520240280]

約数ペア:

[(1, 520240280), (2, 260120140), (4, 130060070), (5, 104048056), (7, 74320040), (8, 65030035), (10, 52024028), (14, 37160020), (20, 26012014), (28, 18580010), (29, 17939320), (35, 14864008), (40, 13006007), (56, 9290005), (58, 8969660), (70, 7432004), (79, 6585320), (116, 4484830), (140, 3716002), (145, 3587864), (158, 3292660), (203, 2562760), (232, 2242415), (280, 1858001), (290, 1793932), (316, 1646330), (395, 1317064), (406, 1281380), (553, 940760), (580, 896966), (632, 823165), (790, 658532), (811, 641480), (812, 640690), (1015, 512552), (1106, 470380), (1160, 448483), (1580, 329266), (1622, 320740), (1624, 320345), (2030, 256276), (2212, 235190), (2291, 227080), (2765, 188152), (3160, 164633), (3244, 160370), (4055, 128296), (4060, 128138), (4424, 117595), (4582, 113540), (5530, 94076), (5677, 91640), (6488, 80185), (8110, 64148), (8120, 64069), (9164, 56770), (11060, 47038), (11354, 45820), (11455, 45416), (16037, 32440), (16220, 32074), (18328, 28385), (22120, 23519), (22708, 22910)]