85337140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{21019}}^1$

素因数の和:21064

約数の個数: 48

約数和(自身を含む): 211881600

約数和(自身を除く): 126544460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 21019, 42038, 84076, 105095, 147133, 210190, 294266, 420380, 588532, 609551, 735665, 1219102, 1471330, 2438204, 2942660, 3047755, 4266857, 6095510, 8533714, 12191020, 17067428, 21334285, 42668570, 85337140]

約数ペア:

[(1, 85337140), (2, 42668570), (4, 21334285), (5, 17067428), (7, 12191020), (10, 8533714), (14, 6095510), (20, 4266857), (28, 3047755), (29, 2942660), (35, 2438204), (58, 1471330), (70, 1219102), (116, 735665), (140, 609551), (145, 588532), (203, 420380), (290, 294266), (406, 210190), (580, 147133), (812, 105095), (1015, 84076), (2030, 42038), (4060, 21019)]