245864750

素因数分解:

$2^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 488816640

約数和(自身を除く): 242951890

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 191, 250, 271, 382, 475, 542, 950, 955, 1355, 1910, 2375, 2710, 3629, 4750, 4775, 5149, 6775, 7258, 9550, 10298, 13550, 18145, 23875, 25745, 33875, 36290, 47750, 51490, 51761, 67750, 90725, 103522, 128725, 181450, 257450, 258805, 453625, 517610, 643625, 907250, 983459, 1287250, 1294025, 1966918, 2588050, 4917295, 6470125, 9834590, 12940250, 24586475, 49172950, 122932375, 245864750]

約数ペア:

[(1, 245864750), (2, 122932375), (5, 49172950), (10, 24586475), (19, 12940250), (25, 9834590), (38, 6470125), (50, 4917295), (95, 2588050), (125, 1966918), (190, 1294025), (191, 1287250), (250, 983459), (271, 907250), (382, 643625), (475, 517610), (542, 453625), (950, 258805), (955, 257450), (1355, 181450), (1910, 128725), (2375, 103522), (2710, 90725), (3629, 67750), (4750, 51761), (4775, 51490), (5149, 47750), (6775, 36290), (7258, 33875), (9550, 25745), (10298, 23875), (13550, 18145)]