208430060

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{1619}}^1$

素因数の和:1826

約数の個数: 48

約数和(自身を含む): 451513440

約数和(自身を除く): 243083380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 157, 164, 205, 314, 410, 628, 785, 820, 1570, 1619, 3140, 3238, 6437, 6476, 8095, 12874, 16190, 25748, 32185, 32380, 64370, 66379, 128740, 132758, 254183, 265516, 331895, 508366, 663790, 1016732, 1270915, 1327580, 2541830, 5083660, 10421503, 20843006, 41686012, 52107515, 104215030, 208430060]

約数ペア:

[(1, 208430060), (2, 104215030), (4, 52107515), (5, 41686012), (10, 20843006), (20, 10421503), (41, 5083660), (82, 2541830), (157, 1327580), (164, 1270915), (205, 1016732), (314, 663790), (410, 508366), (628, 331895), (785, 265516), (820, 254183), (1570, 132758), (1619, 128740), (3140, 66379), (3238, 64370), (6437, 32380), (6476, 32185), (8095, 25748), (12874, 16190)]