23780500

素因数分解:

$2^2\times 5^3\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 52416000

約数和(自身を除く): 28635500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 199, 239, 250, 398, 478, 500, 796, 956, 995, 1195, 1990, 2390, 3980, 4780, 4975, 5975, 9950, 11950, 19900, 23900, 24875, 29875, 47561, 49750, 59750, 95122, 99500, 119500, 190244, 237805, 475610, 951220, 1189025, 2378050, 4756100, 5945125, 11890250, 23780500]

約数ペア:

[(1, 23780500), (2, 11890250), (4, 5945125), (5, 4756100), (10, 2378050), (20, 1189025), (25, 951220), (50, 475610), (100, 237805), (125, 190244), (199, 119500), (239, 99500), (250, 95122), (398, 59750), (478, 49750), (500, 47561), (796, 29875), (956, 24875), (995, 23900), (1195, 19900), (1990, 11950), (2390, 9950), (3980, 5975), (4780, 4975)]