222679520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{28403}}^1$

素因数の和:28432

約数の個数: 72

約数和(自身を含む): 611992584

約数和(自身を除く): 389313064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 28403, 56806, 113612, 142015, 198821, 227224, 284030, 397642, 454448, 568060, 795284, 908896, 994105, 1136120, 1391747, 1590568, 1988210, 2272240, 2783494, 3181136, 3976420, 4544480, 5566988, 6362272, 6958735, 7952840, 11133976, 13917470, 15905680, 22267952, 27834940, 31811360, 44535904, 55669880, 111339760, 222679520]

約数ペア:

[(1, 222679520), (2, 111339760), (4, 55669880), (5, 44535904), (7, 31811360), (8, 27834940), (10, 22267952), (14, 15905680), (16, 13917470), (20, 11133976), (28, 7952840), (32, 6958735), (35, 6362272), (40, 5566988), (49, 4544480), (56, 3976420), (70, 3181136), (80, 2783494), (98, 2272240), (112, 1988210), (140, 1590568), (160, 1391747), (196, 1136120), (224, 994105), (245, 908896), (280, 795284), (392, 568060), (490, 454448), (560, 397642), (784, 284030), (980, 227224), (1120, 198821), (1568, 142015), (1960, 113612), (3920, 56806), (7840, 28403)]