39790940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2137}}^1$

素因数の和:2179

約数の個数: 72

約数和(自身を含む): 102367440

約数和(自身を除く): 62576500

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2137, 2660, 3724, 4274, 4655, 8548, 9310, 10685, 14959, 18620, 21370, 29918, 40603, 42740, 59836, 74795, 81206, 104713, 149590, 162412, 203015, 209426, 284221, 299180, 406030, 418852, 523565, 568442, 812060, 1047130, 1136884, 1421105, 1989547, 2094260, 2842210, 3979094, 5684420, 7958188, 9947735, 19895470, 39790940]

約数ペア:

[(1, 39790940), (2, 19895470), (4, 9947735), (5, 7958188), (7, 5684420), (10, 3979094), (14, 2842210), (19, 2094260), (20, 1989547), (28, 1421105), (35, 1136884), (38, 1047130), (49, 812060), (70, 568442), (76, 523565), (95, 418852), (98, 406030), (133, 299180), (140, 284221), (190, 209426), (196, 203015), (245, 162412), (266, 149590), (380, 104713), (490, 81206), (532, 74795), (665, 59836), (931, 42740), (980, 40603), (1330, 29918), (1862, 21370), (2137, 18620), (2660, 14959), (3724, 10685), (4274, 9310), (4655, 8548)]