290120000

素因数分解:

$2^6\times 5^4\times {\mathrm{7253}}^1$

素因数の和:7285

約数の個数: 70

約数和(自身を含む): 719502498

約数和(自身を除く): 429382498

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 625, 800, 1000, 1250, 1600, 2000, 2500, 4000, 5000, 7253, 8000, 10000, 14506, 20000, 29012, 36265, 40000, 58024, 72530, 116048, 145060, 181325, 232096, 290120, 362650, 464192, 580240, 725300, 906625, 1160480, 1450600, 1813250, 2320960, 2901200, 3626500, 4533125, 5802400, 7253000, 9066250, 11604800, 14506000, 18132500, 29012000, 36265000, 58024000, 72530000, 145060000, 290120000]

約数ペア:

[(1, 290120000), (2, 145060000), (4, 72530000), (5, 58024000), (8, 36265000), (10, 29012000), (16, 18132500), (20, 14506000), (25, 11604800), (32, 9066250), (40, 7253000), (50, 5802400), (64, 4533125), (80, 3626500), (100, 2901200), (125, 2320960), (160, 1813250), (200, 1450600), (250, 1160480), (320, 906625), (400, 725300), (500, 580240), (625, 464192), (800, 362650), (1000, 290120), (1250, 232096), (1600, 181325), (2000, 145060), (2500, 116048), (4000, 72530), (5000, 58024), (7253, 40000), (8000, 36265), (10000, 29012), (14506, 20000)]