240147285

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{397}}^1\times {\mathrm{823}}^1$

素因数の和:1242

約数の個数: 48

約数和(自身を含む): 448638336

約数和(自身を除く): 208491051

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 397, 735, 823, 1191, 1985, 2469, 2779, 4115, 5761, 5955, 8337, 12345, 13895, 17283, 19453, 28805, 40327, 41685, 58359, 86415, 97265, 120981, 201635, 291795, 326731, 604905, 980193, 1633655, 2287117, 4900965, 6861351, 11435585, 16009819, 34306755, 48029457, 80049095, 240147285]

約数ペア:

[(1, 240147285), (3, 80049095), (5, 48029457), (7, 34306755), (15, 16009819), (21, 11435585), (35, 6861351), (49, 4900965), (105, 2287117), (147, 1633655), (245, 980193), (397, 604905), (735, 326731), (823, 291795), (1191, 201635), (1985, 120981), (2469, 97265), (2779, 86415), (4115, 58359), (5761, 41685), (5955, 40327), (8337, 28805), (12345, 19453), (13895, 17283)]