2939440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:230

約数の個数: 80

約数和(自身を含む): 8124480

約数和(自身を除く): 5185040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 181, 203, 232, 280, 290, 362, 406, 464, 560, 580, 724, 812, 905, 1015, 1160, 1267, 1448, 1624, 1810, 2030, 2320, 2534, 2896, 3248, 3620, 4060, 5068, 5249, 6335, 7240, 8120, 10136, 10498, 12670, 14480, 16240, 20272, 20996, 25340, 26245, 36743, 41992, 50680, 52490, 73486, 83984, 101360, 104980, 146972, 183715, 209960, 293944, 367430, 419920, 587888, 734860, 1469720, 2939440]

約数ペア:

[(1, 2939440), (2, 1469720), (4, 734860), (5, 587888), (7, 419920), (8, 367430), (10, 293944), (14, 209960), (16, 183715), (20, 146972), (28, 104980), (29, 101360), (35, 83984), (40, 73486), (56, 52490), (58, 50680), (70, 41992), (80, 36743), (112, 26245), (116, 25340), (140, 20996), (145, 20272), (181, 16240), (203, 14480), (232, 12670), (280, 10498), (290, 10136), (362, 8120), (406, 7240), (464, 6335), (560, 5249), (580, 5068), (724, 4060), (812, 3620), (905, 3248), (1015, 2896), (1160, 2534), (1267, 2320), (1448, 2030), (1624, 1810)]