205700308

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{1249}}^1$

素因数の和:1480

約数の個数: 48

約数和(自身を含む): 415800000

約数和(自身を除く): 210099692

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 197, 209, 394, 418, 788, 836, 1249, 2167, 2498, 3743, 4334, 4996, 7486, 8668, 13739, 14972, 23731, 27478, 41173, 47462, 54956, 82346, 94924, 164692, 246053, 261041, 492106, 522082, 984212, 1044164, 2706583, 4675007, 5413166, 9350014, 10826332, 18700028, 51425077, 102850154, 205700308]

約数ペア:

[(1, 205700308), (2, 102850154), (4, 51425077), (11, 18700028), (19, 10826332), (22, 9350014), (38, 5413166), (44, 4675007), (76, 2706583), (197, 1044164), (209, 984212), (394, 522082), (418, 492106), (788, 261041), (836, 246053), (1249, 164692), (2167, 94924), (2498, 82346), (3743, 54956), (4334, 47462), (4996, 41173), (7486, 27478), (8668, 23731), (13739, 14972)]