208481890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 404683776

約数和(自身を除く): 196201886

約数列:

[1, 2, 5, 10, 23, 46, 67, 83, 115, 134, 163, 166, 230, 326, 335, 415, 670, 815, 830, 1541, 1630, 1909, 3082, 3749, 3818, 5561, 7498, 7705, 9545, 10921, 11122, 13529, 15410, 18745, 19090, 21842, 27058, 27805, 37490, 54605, 55610, 67645, 109210, 127903, 135290, 251183, 255806, 311167, 502366, 622334, 639515, 906443, 1255915, 1279030, 1555835, 1812886, 2511830, 3111670, 4532215, 9064430, 20848189, 41696378, 104240945, 208481890]

約数ペア:

[(1, 208481890), (2, 104240945), (5, 41696378), (10, 20848189), (23, 9064430), (46, 4532215), (67, 3111670), (83, 2511830), (115, 1812886), (134, 1555835), (163, 1279030), (166, 1255915), (230, 906443), (326, 639515), (335, 622334), (415, 502366), (670, 311167), (815, 255806), (830, 251183), (1541, 135290), (1630, 127903), (1909, 109210), (3082, 67645), (3749, 55610), (3818, 54605), (5561, 37490), (7498, 27805), (7705, 27058), (9545, 21842), (10921, 19090), (11122, 18745), (13529, 15410)]