39984700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{239}}^2$

素因数の和:499

約数の個数: 54

約数和(自身を含む): 99578696

約数和(自身を除く): 59593996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 239, 350, 478, 700, 956, 1195, 1673, 2390, 3346, 4780, 5975, 6692, 8365, 11950, 16730, 23900, 33460, 41825, 57121, 83650, 114242, 167300, 228484, 285605, 399847, 571210, 799694, 1142420, 1428025, 1599388, 1999235, 2856050, 3998470, 5712100, 7996940, 9996175, 19992350, 39984700]

約数ペア:

[(1, 39984700), (2, 19992350), (4, 9996175), (5, 7996940), (7, 5712100), (10, 3998470), (14, 2856050), (20, 1999235), (25, 1599388), (28, 1428025), (35, 1142420), (50, 799694), (70, 571210), (100, 399847), (140, 285605), (175, 228484), (239, 167300), (350, 114242), (478, 83650), (700, 57121), (956, 41825), (1195, 33460), (1673, 23900), (2390, 16730), (3346, 11950), (4780, 8365), (5975, 6692)]