9865450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:487

約数の個数: 48

約数和(自身を含む): 21320064

約数和(自身を除く): 11454614

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 71, 142, 175, 350, 355, 397, 497, 710, 794, 994, 1775, 1985, 2485, 2779, 3550, 3970, 4970, 5558, 9925, 12425, 13895, 19850, 24850, 27790, 28187, 56374, 69475, 138950, 140935, 197309, 281870, 394618, 704675, 986545, 1409350, 1973090, 4932725, 9865450]

約数ペア:

[(1, 9865450), (2, 4932725), (5, 1973090), (7, 1409350), (10, 986545), (14, 704675), (25, 394618), (35, 281870), (50, 197309), (70, 140935), (71, 138950), (142, 69475), (175, 56374), (350, 28187), (355, 27790), (397, 24850), (497, 19850), (710, 13895), (794, 12425), (994, 9925), (1775, 5558), (1985, 4970), (2485, 3970), (2779, 3550)]