30807200

素因数分解:

$2^5\times 5^2\times {\mathrm{97}}^1\times {\mathrm{397}}^1$

素因数の和:514

約数の個数: 72

約数和(自身を含む): 76174812

約数和(自身を除く): 45367612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 97, 100, 160, 194, 200, 388, 397, 400, 485, 776, 794, 800, 970, 1552, 1588, 1940, 1985, 2425, 3104, 3176, 3880, 3970, 4850, 6352, 7760, 7940, 9700, 9925, 12704, 15520, 15880, 19400, 19850, 31760, 38509, 38800, 39700, 63520, 77018, 77600, 79400, 154036, 158800, 192545, 308072, 317600, 385090, 616144, 770180, 962725, 1232288, 1540360, 1925450, 3080720, 3850900, 6161440, 7701800, 15403600, 30807200]

約数ペア:

[(1, 30807200), (2, 15403600), (4, 7701800), (5, 6161440), (8, 3850900), (10, 3080720), (16, 1925450), (20, 1540360), (25, 1232288), (32, 962725), (40, 770180), (50, 616144), (80, 385090), (97, 317600), (100, 308072), (160, 192545), (194, 158800), (200, 154036), (388, 79400), (397, 77600), (400, 77018), (485, 63520), (776, 39700), (794, 38800), (800, 38509), (970, 31760), (1552, 19850), (1588, 19400), (1940, 15880), (1985, 15520), (2425, 12704), (3104, 9925), (3176, 9700), (3880, 7940), (3970, 7760), (4850, 6352)]