82714780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{449}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 178113600

約数和(自身を除く): 95398820

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 151, 244, 302, 305, 449, 604, 610, 755, 898, 1220, 1510, 1796, 2245, 3020, 4490, 8980, 9211, 18422, 27389, 36844, 46055, 54778, 67799, 92110, 109556, 135598, 136945, 184220, 271196, 273890, 338995, 547780, 677990, 1355980, 4135739, 8271478, 16542956, 20678695, 41357390, 82714780]

約数ペア:

[(1, 82714780), (2, 41357390), (4, 20678695), (5, 16542956), (10, 8271478), (20, 4135739), (61, 1355980), (122, 677990), (151, 547780), (244, 338995), (302, 273890), (305, 271196), (449, 184220), (604, 136945), (610, 135598), (755, 109556), (898, 92110), (1220, 67799), (1510, 54778), (1796, 46055), (2245, 36844), (3020, 27389), (4490, 18422), (8980, 9211)]