28407430

素因数分解:

$2^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 52254720

約数和(自身を除く): 23847290

約数列:

[1, 2, 5, 10, 107, 139, 191, 214, 278, 382, 535, 695, 955, 1070, 1390, 1910, 14873, 20437, 26549, 29746, 40874, 53098, 74365, 102185, 132745, 148730, 204370, 265490, 2840743, 5681486, 14203715, 28407430]

約数ペア:

[(1, 28407430), (2, 14203715), (5, 5681486), (10, 2840743), (107, 265490), (139, 204370), (191, 148730), (214, 132745), (278, 102185), (382, 74365), (535, 53098), (695, 40874), (955, 29746), (1070, 26549), (1390, 20437), (1910, 14873)]