42512500

素因数分解:

$2^2\times 5^5\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 98431200

約数和(自身を除く): 55918700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 179, 190, 250, 358, 380, 475, 500, 625, 716, 895, 950, 1250, 1790, 1900, 2375, 2500, 3125, 3401, 3580, 4475, 4750, 6250, 6802, 8950, 9500, 11875, 12500, 13604, 17005, 17900, 22375, 23750, 34010, 44750, 47500, 59375, 68020, 85025, 89500, 111875, 118750, 170050, 223750, 237500, 340100, 425125, 447500, 559375, 850250, 1118750, 1700500, 2125625, 2237500, 4251250, 8502500, 10628125, 21256250, 42512500]

約数ペア:

[(1, 42512500), (2, 21256250), (4, 10628125), (5, 8502500), (10, 4251250), (19, 2237500), (20, 2125625), (25, 1700500), (38, 1118750), (50, 850250), (76, 559375), (95, 447500), (100, 425125), (125, 340100), (179, 237500), (190, 223750), (250, 170050), (358, 118750), (380, 111875), (475, 89500), (500, 85025), (625, 68020), (716, 59375), (895, 47500), (950, 44750), (1250, 34010), (1790, 23750), (1900, 22375), (2375, 17900), (2500, 17005), (3125, 13604), (3401, 12500), (3580, 11875), (4475, 9500), (4750, 8950), (6250, 6802)]