252128500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:602

約数の個数: 96

約数和(自身を含む): 601735680

約数和(自身を除く): 349607180

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 79, 100, 125, 130, 158, 250, 260, 316, 325, 395, 491, 500, 650, 790, 982, 1027, 1300, 1580, 1625, 1964, 1975, 2054, 2455, 3250, 3950, 4108, 4910, 5135, 6383, 6500, 7900, 9820, 9875, 10270, 12275, 12766, 19750, 20540, 24550, 25532, 25675, 31915, 38789, 39500, 49100, 51350, 61375, 63830, 77578, 102700, 122750, 127660, 128375, 155156, 159575, 193945, 245500, 256750, 319150, 387890, 504257, 513500, 638300, 775780, 797875, 969725, 1008514, 1595750, 1939450, 2017028, 2521285, 3191500, 3878900, 4848625, 5042570, 9697250, 10085140, 12606425, 19394500, 25212850, 50425700, 63032125, 126064250, 252128500]

約数ペア:

[(1, 252128500), (2, 126064250), (4, 63032125), (5, 50425700), (10, 25212850), (13, 19394500), (20, 12606425), (25, 10085140), (26, 9697250), (50, 5042570), (52, 4848625), (65, 3878900), (79, 3191500), (100, 2521285), (125, 2017028), (130, 1939450), (158, 1595750), (250, 1008514), (260, 969725), (316, 797875), (325, 775780), (395, 638300), (491, 513500), (500, 504257), (650, 387890), (790, 319150), (982, 256750), (1027, 245500), (1300, 193945), (1580, 159575), (1625, 155156), (1964, 128375), (1975, 127660), (2054, 122750), (2455, 102700), (3250, 77578), (3950, 63830), (4108, 61375), (4910, 51350), (5135, 49100), (6383, 39500), (6500, 38789), (7900, 31915), (9820, 25675), (9875, 25532), (10270, 24550), (12275, 20540), (12766, 19750)]