205326900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{25349}}^1$

素因数の和:25375

約数の個数: 90

約数和(自身を含む): 665614950

約数和(自身を除く): 460288050

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 2025, 2700, 4050, 8100, 25349, 50698, 76047, 101396, 126745, 152094, 228141, 253490, 304188, 380235, 456282, 506980, 633725, 684423, 760470, 912564, 1140705, 1267450, 1368846, 1520940, 1901175, 2053269, 2281410, 2534900, 2737692, 3422115, 3802350, 4106538, 4562820, 5703525, 6844230, 7604700, 8213076, 10266345, 11407050, 13688460, 17110575, 20532690, 22814100, 34221150, 41065380, 51331725, 68442300, 102663450, 205326900]

約数ペア:

[(1, 205326900), (2, 102663450), (3, 68442300), (4, 51331725), (5, 41065380), (6, 34221150), (9, 22814100), (10, 20532690), (12, 17110575), (15, 13688460), (18, 11407050), (20, 10266345), (25, 8213076), (27, 7604700), (30, 6844230), (36, 5703525), (45, 4562820), (50, 4106538), (54, 3802350), (60, 3422115), (75, 2737692), (81, 2534900), (90, 2281410), (100, 2053269), (108, 1901175), (135, 1520940), (150, 1368846), (162, 1267450), (180, 1140705), (225, 912564), (270, 760470), (300, 684423), (324, 633725), (405, 506980), (450, 456282), (540, 380235), (675, 304188), (810, 253490), (900, 228141), (1350, 152094), (1620, 126745), (2025, 101396), (2700, 76047), (4050, 50698), (8100, 25349)]