3191500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{491}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 7521696

約数和(自身を除く): 4330196

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 491, 500, 650, 982, 1300, 1625, 1964, 2455, 3250, 4910, 6383, 6500, 9820, 12275, 12766, 24550, 25532, 31915, 49100, 61375, 63830, 122750, 127660, 159575, 245500, 319150, 638300, 797875, 1595750, 3191500]

約数ペア:

[(1, 3191500), (2, 1595750), (4, 797875), (5, 638300), (10, 319150), (13, 245500), (20, 159575), (25, 127660), (26, 122750), (50, 63830), (52, 61375), (65, 49100), (100, 31915), (125, 25532), (130, 24550), (250, 12766), (260, 12275), (325, 9820), (491, 6500), (500, 6383), (650, 4910), (982, 3250), (1300, 2455), (1625, 1964)]