140885080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16231}}^1$

素因数の和:16280

約数の個数: 64

約数和(自身を含む): 373985280

約数和(自身を除く): 233100200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 16231, 32462, 64924, 81155, 113617, 129848, 162310, 227234, 324620, 454468, 503161, 568085, 649240, 908936, 1006322, 1136170, 2012644, 2272340, 2515805, 3522127, 4025288, 4544680, 5031610, 7044254, 10063220, 14088508, 17610635, 20126440, 28177016, 35221270, 70442540, 140885080]

約数ペア:

[(1, 140885080), (2, 70442540), (4, 35221270), (5, 28177016), (7, 20126440), (8, 17610635), (10, 14088508), (14, 10063220), (20, 7044254), (28, 5031610), (31, 4544680), (35, 4025288), (40, 3522127), (56, 2515805), (62, 2272340), (70, 2012644), (124, 1136170), (140, 1006322), (155, 908936), (217, 649240), (248, 568085), (280, 503161), (310, 454468), (434, 324620), (620, 227234), (868, 162310), (1085, 129848), (1240, 113617), (1736, 81155), (2170, 64924), (4340, 32462), (8680, 16231)]