65221940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{66553}}^1$

素因数の和:66576

約数の個数: 36

約数和(自身を含む): 159330276

約数和(自身を除く): 94108336

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 66553, 133106, 266212, 332765, 465871, 665530, 931742, 1331060, 1863484, 2329355, 3261097, 4658710, 6522194, 9317420, 13044388, 16305485, 32610970, 65221940]

約数ペア:

[(1, 65221940), (2, 32610970), (4, 16305485), (5, 13044388), (7, 9317420), (10, 6522194), (14, 4658710), (20, 3261097), (28, 2329355), (35, 1863484), (49, 1331060), (70, 931742), (98, 665530), (140, 465871), (196, 332765), (245, 266212), (490, 133106), (980, 66553)]