1806350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1$

素因数の和:429

約数の個数: 48

約数和(自身を含む): 4145568

約数和(自身を除く): 2339218

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 397, 455, 650, 794, 910, 1985, 2275, 2779, 3970, 4550, 5161, 5558, 9925, 10322, 13895, 19850, 25805, 27790, 36127, 51610, 69475, 72254, 129025, 138950, 180635, 258050, 361270, 903175, 1806350]

約数ペア:

[(1, 1806350), (2, 903175), (5, 361270), (7, 258050), (10, 180635), (13, 138950), (14, 129025), (25, 72254), (26, 69475), (35, 51610), (50, 36127), (65, 27790), (70, 25805), (91, 19850), (130, 13895), (175, 10322), (182, 9925), (325, 5558), (350, 5161), (397, 4550), (455, 3970), (650, 2779), (794, 2275), (910, 1985)]