86865885820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{88638659}}^1$

素因数の和:88638682

約数の個数: 36

約数和(自身を含む): 212200952040

約数和(自身を除く): 125335066220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 88638659, 177277318, 354554636, 443193295, 620470613, 886386590, 1240941226, 1772773180, 2481882452, 3102353065, 4343294291, 6204706130, 8686588582, 12409412260, 17373177164, 21716471455, 43432942910, 86865885820]

約数ペア:

[(1, 86865885820), (2, 43432942910), (4, 21716471455), (5, 17373177164), (7, 12409412260), (10, 8686588582), (14, 6204706130), (20, 4343294291), (28, 3102353065), (35, 2481882452), (49, 1772773180), (70, 1240941226), (98, 886386590), (140, 620470613), (196, 443193295), (245, 354554636), (490, 177277318), (980, 88638659)]