199965748

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 370944000

約数和(自身を除く): 170978252

約数列:

[1, 2, 4, 31, 62, 79, 124, 137, 149, 158, 274, 298, 316, 548, 596, 2449, 4247, 4619, 4898, 8494, 9238, 9796, 10823, 11771, 16988, 18476, 20413, 21646, 23542, 40826, 43292, 47084, 81652, 335513, 364901, 632803, 671026, 729802, 1265606, 1342052, 1459604, 1612627, 2531212, 3225254, 6450508, 49991437, 99982874, 199965748]

約数ペア:

[(1, 199965748), (2, 99982874), (4, 49991437), (31, 6450508), (62, 3225254), (79, 2531212), (124, 1612627), (137, 1459604), (149, 1342052), (158, 1265606), (274, 729802), (298, 671026), (316, 632803), (548, 364901), (596, 335513), (2449, 81652), (4247, 47084), (4619, 43292), (4898, 40826), (8494, 23542), (9238, 21646), (9796, 20413), (10823, 18476), (11771, 16988)]