928777780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{2221}}^1$

素因数の和:2369

約数の個数: 96

約数和(自身を含む): 2329367040

約数和(自身を除く): 1400589260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 103, 116, 140, 145, 203, 206, 290, 406, 412, 515, 580, 721, 812, 1015, 1030, 1442, 2030, 2060, 2221, 2884, 2987, 3605, 4060, 4442, 5974, 7210, 8884, 11105, 11948, 14420, 14935, 15547, 20909, 22210, 29870, 31094, 41818, 44420, 59740, 62188, 64409, 77735, 83636, 104545, 128818, 155470, 209090, 228763, 257636, 310940, 322045, 418180, 450863, 457526, 644090, 901726, 915052, 1143815, 1288180, 1601341, 1803452, 2254315, 2287630, 3202682, 4508630, 4575260, 6405364, 6634127, 8006705, 9017260, 13268254, 16013410, 26536508, 32026820, 33170635, 46438889, 66341270, 92877778, 132682540, 185755556, 232194445, 464388890, 928777780]

約数ペア:

[(1, 928777780), (2, 464388890), (4, 232194445), (5, 185755556), (7, 132682540), (10, 92877778), (14, 66341270), (20, 46438889), (28, 33170635), (29, 32026820), (35, 26536508), (58, 16013410), (70, 13268254), (103, 9017260), (116, 8006705), (140, 6634127), (145, 6405364), (203, 4575260), (206, 4508630), (290, 3202682), (406, 2287630), (412, 2254315), (515, 1803452), (580, 1601341), (721, 1288180), (812, 1143815), (1015, 915052), (1030, 901726), (1442, 644090), (2030, 457526), (2060, 450863), (2221, 418180), (2884, 322045), (2987, 310940), (3605, 257636), (4060, 228763), (4442, 209090), (5974, 155470), (7210, 128818), (8884, 104545), (11105, 83636), (11948, 77735), (14420, 64409), (14935, 62188), (15547, 59740), (20909, 44420), (22210, 41818), (29870, 31094)]