1718420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 4027968

約数和(自身を除く): 2309548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 107, 110, 146, 214, 220, 292, 365, 428, 535, 730, 803, 1070, 1177, 1460, 1606, 2140, 2354, 3212, 4015, 4708, 5885, 7811, 8030, 11770, 15622, 16060, 23540, 31244, 39055, 78110, 85921, 156220, 171842, 343684, 429605, 859210, 1718420]

約数ペア:

[(1, 1718420), (2, 859210), (4, 429605), (5, 343684), (10, 171842), (11, 156220), (20, 85921), (22, 78110), (44, 39055), (55, 31244), (73, 23540), (107, 16060), (110, 15622), (146, 11770), (214, 8030), (220, 7811), (292, 5885), (365, 4708), (428, 4015), (535, 3212), (730, 2354), (803, 2140), (1070, 1606), (1177, 1460)]