207974620

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 120

約数和(自身を含む): 525153888

約数和(自身を除く): 317179268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 71, 98, 122, 140, 142, 196, 244, 245, 284, 305, 343, 355, 427, 490, 497, 610, 686, 710, 854, 980, 994, 1220, 1372, 1420, 1708, 1715, 1988, 2135, 2401, 2485, 2989, 3430, 3479, 4270, 4331, 4802, 4970, 5978, 6860, 6958, 8540, 8662, 9604, 9940, 11956, 12005, 13916, 14945, 17324, 17395, 20923, 21655, 24010, 24353, 29890, 30317, 34790, 41846, 43310, 48020, 48706, 59780, 60634, 69580, 83692, 86620, 97412, 104615, 121268, 121765, 146461, 151585, 170471, 209230, 212219, 243530, 292922, 303170, 340942, 418460, 424438, 487060, 585844, 606340, 681884, 732305, 848876, 852355, 1061095, 1464610, 1485533, 1704710, 2122190, 2929220, 2971066, 3409420, 4244380, 5942132, 7427665, 10398731, 14855330, 20797462, 29710660, 41594924, 51993655, 103987310, 207974620]

約数ペア:

[(1, 207974620), (2, 103987310), (4, 51993655), (5, 41594924), (7, 29710660), (10, 20797462), (14, 14855330), (20, 10398731), (28, 7427665), (35, 5942132), (49, 4244380), (61, 3409420), (70, 2971066), (71, 2929220), (98, 2122190), (122, 1704710), (140, 1485533), (142, 1464610), (196, 1061095), (244, 852355), (245, 848876), (284, 732305), (305, 681884), (343, 606340), (355, 585844), (427, 487060), (490, 424438), (497, 418460), (610, 340942), (686, 303170), (710, 292922), (854, 243530), (980, 212219), (994, 209230), (1220, 170471), (1372, 151585), (1420, 146461), (1708, 121765), (1715, 121268), (1988, 104615), (2135, 97412), (2401, 86620), (2485, 83692), (2989, 69580), (3430, 60634), (3479, 59780), (4270, 48706), (4331, 48020), (4802, 43310), (4970, 41846), (5978, 34790), (6860, 30317), (6958, 29890), (8540, 24353), (8662, 24010), (9604, 21655), (9940, 20923), (11956, 17395), (12005, 17324), (13916, 14945)]