142721150

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19961}}^1$

素因数の和:19997

約数の個数: 48

約数和(自身を含む): 311886288

約数和(自身を除く): 169165138

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 3575, 7150, 19961, 39922, 99805, 199610, 219571, 259493, 439142, 499025, 518986, 998050, 1097855, 1297465, 2195710, 2594930, 2854423, 5489275, 5708846, 6487325, 10978550, 12974650, 14272115, 28544230, 71360575, 142721150]

約数ペア:

[(1, 142721150), (2, 71360575), (5, 28544230), (10, 14272115), (11, 12974650), (13, 10978550), (22, 6487325), (25, 5708846), (26, 5489275), (50, 2854423), (55, 2594930), (65, 2195710), (110, 1297465), (130, 1097855), (143, 998050), (275, 518986), (286, 499025), (325, 439142), (550, 259493), (650, 219571), (715, 199610), (1430, 99805), (3575, 39922), (7150, 19961)]