2879500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{443}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 6787872

約数和(自身を除く): 3908372

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 443, 500, 650, 886, 1300, 1625, 1772, 2215, 3250, 4430, 5759, 6500, 8860, 11075, 11518, 22150, 23036, 28795, 44300, 55375, 57590, 110750, 115180, 143975, 221500, 287950, 575900, 719875, 1439750, 2879500]

約数ペア:

[(1, 2879500), (2, 1439750), (4, 719875), (5, 575900), (10, 287950), (13, 221500), (20, 143975), (25, 115180), (26, 110750), (50, 57590), (52, 55375), (65, 44300), (100, 28795), (125, 23036), (130, 22150), (250, 11518), (260, 11075), (325, 8860), (443, 6500), (500, 5759), (650, 4430), (886, 3250), (1300, 2215), (1625, 1772)]