31407500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{739}}^1$

素因数の和:780

約数の個数: 60

約数和(自身を含む): 72820440

約数和(自身を除く): 41412940

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 625, 739, 850, 1250, 1478, 1700, 2125, 2500, 2956, 3695, 4250, 7390, 8500, 10625, 12563, 14780, 18475, 21250, 25126, 36950, 42500, 50252, 62815, 73900, 92375, 125630, 184750, 251260, 314075, 369500, 461875, 628150, 923750, 1256300, 1570375, 1847500, 3140750, 6281500, 7851875, 15703750, 31407500]

約数ペア:

[(1, 31407500), (2, 15703750), (4, 7851875), (5, 6281500), (10, 3140750), (17, 1847500), (20, 1570375), (25, 1256300), (34, 923750), (50, 628150), (68, 461875), (85, 369500), (100, 314075), (125, 251260), (170, 184750), (250, 125630), (340, 92375), (425, 73900), (500, 62815), (625, 50252), (739, 42500), (850, 36950), (1250, 25126), (1478, 21250), (1700, 18475), (2125, 14780), (2500, 12563), (2956, 10625), (3695, 8500), (4250, 7390)]