82004440

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:214

約数の個数: 128

約数和(自身を含む): 221760000

約数和(自身を除く): 139755560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 49, 56, 70, 86, 98, 139, 140, 172, 196, 215, 245, 278, 280, 301, 343, 344, 392, 430, 490, 556, 602, 686, 695, 860, 973, 980, 1112, 1204, 1372, 1390, 1505, 1715, 1720, 1946, 1960, 2107, 2408, 2744, 2780, 3010, 3430, 3892, 4214, 4865, 5560, 5977, 6020, 6811, 6860, 7784, 8428, 9730, 10535, 11954, 12040, 13622, 13720, 14749, 16856, 19460, 21070, 23908, 27244, 29498, 29885, 34055, 38920, 41839, 42140, 47677, 47816, 54488, 58996, 59770, 68110, 73745, 83678, 84280, 95354, 117992, 119540, 136220, 147490, 167356, 190708, 209195, 238385, 239080, 272440, 292873, 294980, 334712, 381416, 418390, 476770, 585746, 589960, 836780, 953540, 1171492, 1464365, 1673560, 1907080, 2050111, 2342984, 2928730, 4100222, 5857460, 8200444, 10250555, 11714920, 16400888, 20501110, 41002220, 82004440]

約数ペア:

[(1, 82004440), (2, 41002220), (4, 20501110), (5, 16400888), (7, 11714920), (8, 10250555), (10, 8200444), (14, 5857460), (20, 4100222), (28, 2928730), (35, 2342984), (40, 2050111), (43, 1907080), (49, 1673560), (56, 1464365), (70, 1171492), (86, 953540), (98, 836780), (139, 589960), (140, 585746), (172, 476770), (196, 418390), (215, 381416), (245, 334712), (278, 294980), (280, 292873), (301, 272440), (343, 239080), (344, 238385), (392, 209195), (430, 190708), (490, 167356), (556, 147490), (602, 136220), (686, 119540), (695, 117992), (860, 95354), (973, 84280), (980, 83678), (1112, 73745), (1204, 68110), (1372, 59770), (1390, 58996), (1505, 54488), (1715, 47816), (1720, 47677), (1946, 42140), (1960, 41839), (2107, 38920), (2408, 34055), (2744, 29885), (2780, 29498), (3010, 27244), (3430, 23908), (3892, 21070), (4214, 19460), (4865, 16856), (5560, 14749), (5977, 13720), (6020, 13622), (6811, 12040), (6860, 11954), (7784, 10535), (8428, 9730)]