202011990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{811}}^1$

素因数の和:882

約数の個数: 96

約数和(自身を含む): 534594816

約数和(自身を除く): 332582826

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 23, 30, 38, 46, 57, 69, 95, 114, 115, 138, 190, 230, 285, 345, 361, 437, 570, 690, 722, 811, 874, 1083, 1311, 1622, 1805, 2166, 2185, 2433, 2622, 3610, 4055, 4370, 4866, 5415, 6555, 8110, 8303, 10830, 12165, 13110, 15409, 16606, 18653, 24330, 24909, 30818, 37306, 41515, 46227, 49818, 55959, 77045, 83030, 92454, 93265, 111918, 124545, 154090, 186530, 231135, 249090, 279795, 292771, 354407, 462270, 559590, 585542, 708814, 878313, 1063221, 1463855, 1756626, 1772035, 2126442, 2927710, 3544070, 4391565, 5316105, 6733733, 8783130, 10632210, 13467466, 20201199, 33668665, 40402398, 67337330, 101005995, 202011990]

約数ペア:

[(1, 202011990), (2, 101005995), (3, 67337330), (5, 40402398), (6, 33668665), (10, 20201199), (15, 13467466), (19, 10632210), (23, 8783130), (30, 6733733), (38, 5316105), (46, 4391565), (57, 3544070), (69, 2927710), (95, 2126442), (114, 1772035), (115, 1756626), (138, 1463855), (190, 1063221), (230, 878313), (285, 708814), (345, 585542), (361, 559590), (437, 462270), (570, 354407), (690, 292771), (722, 279795), (811, 249090), (874, 231135), (1083, 186530), (1311, 154090), (1622, 124545), (1805, 111918), (2166, 93265), (2185, 92454), (2433, 83030), (2622, 77045), (3610, 55959), (4055, 49818), (4370, 46227), (4866, 41515), (5415, 37306), (6555, 30818), (8110, 24909), (8303, 24330), (10830, 18653), (12165, 16606), (13110, 15409)]