42450940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15959}}^1$

素因数の和:15994

約数の個数: 48

約数和(自身を含む): 107251200

約数和(自身を除く): 64800260

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 15959, 31918, 63836, 79795, 111713, 159590, 223426, 303221, 319180, 446852, 558565, 606442, 1117130, 1212884, 1516105, 2122547, 2234260, 3032210, 4245094, 6064420, 8490188, 10612735, 21225470, 42450940]

約数ペア:

[(1, 42450940), (2, 21225470), (4, 10612735), (5, 8490188), (7, 6064420), (10, 4245094), (14, 3032210), (19, 2234260), (20, 2122547), (28, 1516105), (35, 1212884), (38, 1117130), (70, 606442), (76, 558565), (95, 446852), (133, 319180), (140, 303221), (190, 223426), (266, 159590), (380, 111713), (532, 79795), (665, 63836), (1330, 31918), (2660, 15959)]