299551480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1\times {\mathrm{419}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 689018400

約数和(自身を除く): 389466920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 293, 305, 419, 488, 586, 610, 838, 1172, 1220, 1465, 1676, 2095, 2344, 2440, 2930, 3352, 4190, 5860, 8380, 11720, 16760, 17873, 25559, 35746, 51118, 71492, 89365, 102236, 122767, 127795, 142984, 178730, 204472, 245534, 255590, 357460, 491068, 511180, 613835, 714920, 982136, 1022360, 1227670, 2455340, 4910680, 7488787, 14977574, 29955148, 37443935, 59910296, 74887870, 149775740, 299551480]

約数ペア:

[(1, 299551480), (2, 149775740), (4, 74887870), (5, 59910296), (8, 37443935), (10, 29955148), (20, 14977574), (40, 7488787), (61, 4910680), (122, 2455340), (244, 1227670), (293, 1022360), (305, 982136), (419, 714920), (488, 613835), (586, 511180), (610, 491068), (838, 357460), (1172, 255590), (1220, 245534), (1465, 204472), (1676, 178730), (2095, 142984), (2344, 127795), (2440, 122767), (2930, 102236), (3352, 89365), (4190, 71492), (5860, 51118), (8380, 35746), (11720, 25559), (16760, 17873)]