4541000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 11232000

約数和(自身を除く): 6691000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 239, 250, 380, 475, 478, 500, 760, 950, 956, 1000, 1195, 1900, 1912, 2375, 2390, 3800, 4541, 4750, 4780, 5975, 9082, 9500, 9560, 11950, 18164, 19000, 22705, 23900, 29875, 36328, 45410, 47800, 59750, 90820, 113525, 119500, 181640, 227050, 239000, 454100, 567625, 908200, 1135250, 2270500, 4541000]

約数ペア:

[(1, 4541000), (2, 2270500), (4, 1135250), (5, 908200), (8, 567625), (10, 454100), (19, 239000), (20, 227050), (25, 181640), (38, 119500), (40, 113525), (50, 90820), (76, 59750), (95, 47800), (100, 45410), (125, 36328), (152, 29875), (190, 23900), (200, 22705), (239, 19000), (250, 18164), (380, 11950), (475, 9560), (478, 9500), (500, 9082), (760, 5975), (950, 4780), (956, 4750), (1000, 4541), (1195, 3800), (1900, 2390), (1912, 2375)]