996811250

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^2\times {\mathrm{47}}^2$

素因数の和:154

約数の個数: 90

約数和(自身を含む): 2014785531

約数和(自身を除く): 1017974281

約数列:

[1, 2, 5, 10, 19, 25, 38, 47, 50, 94, 95, 125, 190, 235, 250, 361, 470, 475, 625, 722, 893, 950, 1175, 1250, 1786, 1805, 2209, 2350, 2375, 3610, 4418, 4465, 4750, 5875, 8930, 9025, 11045, 11750, 11875, 16967, 18050, 22090, 22325, 23750, 29375, 33934, 41971, 44650, 45125, 55225, 58750, 83942, 84835, 90250, 110450, 111625, 169670, 209855, 223250, 225625, 276125, 419710, 424175, 451250, 552250, 558125, 797449, 848350, 1049275, 1116250, 1380625, 1594898, 2098550, 2120875, 2761250, 3987245, 4241750, 5246375, 7974490, 10492750, 10604375, 19936225, 21208750, 26231875, 39872450, 52463750, 99681125, 199362250, 498405625, 996811250]

約数ペア:

[(1, 996811250), (2, 498405625), (5, 199362250), (10, 99681125), (19, 52463750), (25, 39872450), (38, 26231875), (47, 21208750), (50, 19936225), (94, 10604375), (95, 10492750), (125, 7974490), (190, 5246375), (235, 4241750), (250, 3987245), (361, 2761250), (470, 2120875), (475, 2098550), (625, 1594898), (722, 1380625), (893, 1116250), (950, 1049275), (1175, 848350), (1250, 797449), (1786, 558125), (1805, 552250), (2209, 451250), (2350, 424175), (2375, 419710), (3610, 276125), (4418, 225625), (4465, 223250), (4750, 209855), (5875, 169670), (8930, 111625), (9025, 110450), (11045, 90250), (11750, 84835), (11875, 83942), (16967, 58750), (18050, 55225), (22090, 45125), (22325, 44650), (23750, 41971), (29375, 33934)]