404777140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{62659}}^1$

素因数の和:62704

約数の個数: 48

約数和(自身を含む): 947419200

約数和(自身を除く): 542642060

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 62659, 125318, 250636, 313295, 626590, 1065203, 1190521, 1253180, 2130406, 2381042, 4260812, 4762084, 5326015, 5952605, 10652030, 11905210, 20238857, 21304060, 23810420, 40477714, 80955428, 101194285, 202388570, 404777140]

約数ペア:

[(1, 404777140), (2, 202388570), (4, 101194285), (5, 80955428), (10, 40477714), (17, 23810420), (19, 21304060), (20, 20238857), (34, 11905210), (38, 10652030), (68, 5952605), (76, 5326015), (85, 4762084), (95, 4260812), (170, 2381042), (190, 2130406), (323, 1253180), (340, 1190521), (380, 1065203), (646, 626590), (1292, 313295), (1615, 250636), (3230, 125318), (6460, 62659)]