245702015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{283}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 345387168

約数和(自身を除く): 99685153

約数列:

[1, 5, 13, 19, 37, 65, 95, 185, 247, 283, 361, 481, 703, 1235, 1415, 1805, 2405, 3515, 3679, 4693, 5377, 9139, 10471, 13357, 18395, 23465, 26885, 45695, 52355, 66785, 69901, 102163, 136123, 173641, 198949, 349505, 510815, 680615, 868205, 994745, 1328119, 2586337, 3780031, 6640595, 12931685, 18900155, 49140403, 245702015]

約数ペア:

[(1, 245702015), (5, 49140403), (13, 18900155), (19, 12931685), (37, 6640595), (65, 3780031), (95, 2586337), (185, 1328119), (247, 994745), (283, 868205), (361, 680615), (481, 510815), (703, 349505), (1235, 198949), (1415, 173641), (1805, 136123), (2405, 102163), (3515, 69901), (3679, 66785), (4693, 52355), (5377, 45695), (9139, 26885), (10471, 23465), (13357, 18395)]