490702940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{269617}}^1$

素因数の和:269646

約数の個数: 48

約数和(自身を含む): 1268283072

約数和(自身を除く): 777580132

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 269617, 539234, 1078468, 1348085, 1887319, 2696170, 3505021, 3774638, 5392340, 7010042, 7549276, 9436595, 14020084, 17525105, 18873190, 24535147, 35050210, 37746380, 49070294, 70100420, 98140588, 122675735, 245351470, 490702940]

約数ペア:

[(1, 490702940), (2, 245351470), (4, 122675735), (5, 98140588), (7, 70100420), (10, 49070294), (13, 37746380), (14, 35050210), (20, 24535147), (26, 18873190), (28, 17525105), (35, 14020084), (52, 9436595), (65, 7549276), (70, 7010042), (91, 5392340), (130, 3774638), (140, 3505021), (182, 2696170), (260, 1887319), (364, 1348085), (455, 1078468), (910, 539234), (1820, 269617)]