397545020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{13103}}^1$

素因数の和:13190

約数の個数: 48

約数和(自身を含む): 878387328

約数和(自身を除く): 480842308

約数列:

[1, 2, 4, 5, 10, 20, 37, 41, 74, 82, 148, 164, 185, 205, 370, 410, 740, 820, 1517, 3034, 6068, 7585, 13103, 15170, 26206, 30340, 52412, 65515, 131030, 262060, 484811, 537223, 969622, 1074446, 1939244, 2148892, 2424055, 2686115, 4848110, 5372230, 9696220, 10744460, 19877251, 39754502, 79509004, 99386255, 198772510, 397545020]

約数ペア:

[(1, 397545020), (2, 198772510), (4, 99386255), (5, 79509004), (10, 39754502), (20, 19877251), (37, 10744460), (41, 9696220), (74, 5372230), (82, 4848110), (148, 2686115), (164, 2424055), (185, 2148892), (205, 1939244), (370, 1074446), (410, 969622), (740, 537223), (820, 484811), (1517, 262060), (3034, 131030), (6068, 65515), (7585, 52412), (13103, 30340), (15170, 26206)]