229489820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{4129}}^1$

素因数の和:4542

約数の個数: 48

約数和(自身を含む): 552296640

約数和(自身を除く): 322806820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 794, 1588, 1985, 2779, 3970, 4129, 5558, 7940, 8258, 11116, 13895, 16516, 20645, 27790, 28903, 41290, 55580, 57806, 82580, 115612, 144515, 289030, 578060, 1639213, 3278426, 6556852, 8196065, 11474491, 16392130, 22948982, 32784260, 45897964, 57372455, 114744910, 229489820]

約数ペア:

[(1, 229489820), (2, 114744910), (4, 57372455), (5, 45897964), (7, 32784260), (10, 22948982), (14, 16392130), (20, 11474491), (28, 8196065), (35, 6556852), (70, 3278426), (140, 1639213), (397, 578060), (794, 289030), (1588, 144515), (1985, 115612), (2779, 82580), (3970, 57806), (4129, 55580), (5558, 41290), (7940, 28903), (8258, 27790), (11116, 20645), (13895, 16516)]