42979400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{12641}}^1$

素因数の和:12674

約数の個数: 48

約数和(自身を含む): 105813540

約数和(自身を除く): 62834140

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 12641, 25282, 50564, 63205, 101128, 126410, 214897, 252820, 316025, 429794, 505640, 632050, 859588, 1074485, 1264100, 1719176, 2148970, 2528200, 4297940, 5372425, 8595880, 10744850, 21489700, 42979400]

約数ペア:

[(1, 42979400), (2, 21489700), (4, 10744850), (5, 8595880), (8, 5372425), (10, 4297940), (17, 2528200), (20, 2148970), (25, 1719176), (34, 1264100), (40, 1074485), (50, 859588), (68, 632050), (85, 505640), (100, 429794), (136, 316025), (170, 252820), (200, 214897), (340, 126410), (425, 101128), (680, 63205), (850, 50564), (1700, 25282), (3400, 12641)]