7996940

素因数分解:

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

素因数の和:494

約数の個数: 36

約数和(自身を含む): 19273296

約数和(自身を除く): 11276356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1673, 2390, 3346, 4780, 6692, 8365, 16730, 33460, 57121, 114242, 228484, 285605, 399847, 571210, 799694, 1142420, 1599388, 1999235, 3998470, 7996940]

約数ペア:

[(1, 7996940), (2, 3998470), (4, 1999235), (5, 1599388), (7, 1142420), (10, 799694), (14, 571210), (20, 399847), (28, 285605), (35, 228484), (70, 114242), (140, 57121), (239, 33460), (478, 16730), (956, 8365), (1195, 6692), (1673, 4780), (2390, 3346)]