208026250

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^2\times {\mathrm{461}}^1$

素因数の和:521

約数の個数: 60

約数和(自身を含む): 412419546

約数和(自身を除く): 204393296

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 361, 461, 475, 625, 722, 922, 950, 1250, 1805, 2305, 2375, 3610, 4610, 4750, 8759, 9025, 11525, 11875, 17518, 18050, 23050, 23750, 43795, 45125, 57625, 87590, 90250, 115250, 166421, 218975, 225625, 288125, 332842, 437950, 451250, 576250, 832105, 1094875, 1664210, 2189750, 4160525, 5474375, 8321050, 10948750, 20802625, 41605250, 104013125, 208026250]

約数ペア:

[(1, 208026250), (2, 104013125), (5, 41605250), (10, 20802625), (19, 10948750), (25, 8321050), (38, 5474375), (50, 4160525), (95, 2189750), (125, 1664210), (190, 1094875), (250, 832105), (361, 576250), (461, 451250), (475, 437950), (625, 332842), (722, 288125), (922, 225625), (950, 218975), (1250, 166421), (1805, 115250), (2305, 90250), (2375, 87590), (3610, 57625), (4610, 45125), (4750, 43795), (8759, 23750), (9025, 23050), (11525, 18050), (11875, 17518)]