204079120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{659}}^1$

素因数の和:765

約数の個数: 120

約数和(自身を含む): 559785600

約数和(自身を除く): 355706480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 79, 80, 98, 112, 140, 158, 196, 245, 280, 316, 392, 395, 490, 553, 560, 632, 659, 784, 790, 980, 1106, 1264, 1318, 1580, 1960, 2212, 2636, 2765, 3160, 3295, 3871, 3920, 4424, 4613, 5272, 5530, 6320, 6590, 7742, 8848, 9226, 10544, 11060, 13180, 15484, 18452, 19355, 22120, 23065, 26360, 30968, 32291, 36904, 38710, 44240, 46130, 52061, 52720, 61936, 64582, 73808, 77420, 92260, 104122, 129164, 154840, 161455, 184520, 208244, 258328, 260305, 309680, 322910, 364427, 369040, 416488, 516656, 520610, 645820, 728854, 832976, 1041220, 1291640, 1457708, 1822135, 2082440, 2550989, 2583280, 2915416, 3644270, 4164880, 5101978, 5830832, 7288540, 10203956, 12754945, 14577080, 20407912, 25509890, 29154160, 40815824, 51019780, 102039560, 204079120]

約数ペア:

[(1, 204079120), (2, 102039560), (4, 51019780), (5, 40815824), (7, 29154160), (8, 25509890), (10, 20407912), (14, 14577080), (16, 12754945), (20, 10203956), (28, 7288540), (35, 5830832), (40, 5101978), (49, 4164880), (56, 3644270), (70, 2915416), (79, 2583280), (80, 2550989), (98, 2082440), (112, 1822135), (140, 1457708), (158, 1291640), (196, 1041220), (245, 832976), (280, 728854), (316, 645820), (392, 520610), (395, 516656), (490, 416488), (553, 369040), (560, 364427), (632, 322910), (659, 309680), (784, 260305), (790, 258328), (980, 208244), (1106, 184520), (1264, 161455), (1318, 154840), (1580, 129164), (1960, 104122), (2212, 92260), (2636, 77420), (2765, 73808), (3160, 64582), (3295, 61936), (3871, 52720), (3920, 52061), (4424, 46130), (4613, 44240), (5272, 38710), (5530, 36904), (6320, 32291), (6590, 30968), (7742, 26360), (8848, 23065), (9226, 22120), (10544, 19355), (11060, 18452), (13180, 15484)]