142702980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{339769}}^1$

素因数の和:339788

約数の個数: 48

約数和(自身を含む): 456650880

約数和(自身を除く): 313947900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 339769, 679538, 1019307, 1359076, 1698845, 2038614, 2378383, 3397690, 4077228, 4756766, 5096535, 6795380, 7135149, 9513532, 10193070, 11891915, 14270298, 20386140, 23783830, 28540596, 35675745, 47567660, 71351490, 142702980]

約数ペア:

[(1, 142702980), (2, 71351490), (3, 47567660), (4, 35675745), (5, 28540596), (6, 23783830), (7, 20386140), (10, 14270298), (12, 11891915), (14, 10193070), (15, 9513532), (20, 7135149), (21, 6795380), (28, 5096535), (30, 4756766), (35, 4077228), (42, 3397690), (60, 2378383), (70, 2038614), (84, 1698845), (105, 1359076), (140, 1019307), (210, 679538), (420, 339769)]