145420240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{37097}}^1$

素因数の和:37124

約数の個数: 60

約数和(自身を含む): 393312996

約数和(自身を除く): 247892756

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 37097, 74194, 148388, 185485, 259679, 296776, 370970, 519358, 593552, 741940, 1038716, 1298395, 1483880, 1817753, 2077432, 2596790, 2967760, 3635506, 4154864, 5193580, 7271012, 9088765, 10387160, 14542024, 18177530, 20774320, 29084048, 36355060, 72710120, 145420240]

約数ペア:

[(1, 145420240), (2, 72710120), (4, 36355060), (5, 29084048), (7, 20774320), (8, 18177530), (10, 14542024), (14, 10387160), (16, 9088765), (20, 7271012), (28, 5193580), (35, 4154864), (40, 3635506), (49, 2967760), (56, 2596790), (70, 2077432), (80, 1817753), (98, 1483880), (112, 1298395), (140, 1038716), (196, 741940), (245, 593552), (280, 519358), (392, 370970), (490, 296776), (560, 259679), (784, 185485), (980, 148388), (1960, 74194), (3920, 37097)]