84506840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1289}}^1$

素因数の和:1460

約数の個数: 64

約数和(自身を含む): 208980000

約数和(自身を除く): 124473160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 149, 220, 298, 440, 596, 745, 1192, 1289, 1490, 1639, 2578, 2980, 3278, 5156, 5960, 6445, 6556, 8195, 10312, 12890, 13112, 14179, 16390, 25780, 28358, 32780, 51560, 56716, 65560, 70895, 113432, 141790, 192061, 283580, 384122, 567160, 768244, 960305, 1536488, 1920610, 2112671, 3841220, 4225342, 7682440, 8450684, 10563355, 16901368, 21126710, 42253420, 84506840]

約数ペア:

[(1, 84506840), (2, 42253420), (4, 21126710), (5, 16901368), (8, 10563355), (10, 8450684), (11, 7682440), (20, 4225342), (22, 3841220), (40, 2112671), (44, 1920610), (55, 1536488), (88, 960305), (110, 768244), (149, 567160), (220, 384122), (298, 283580), (440, 192061), (596, 141790), (745, 113432), (1192, 70895), (1289, 65560), (1490, 56716), (1639, 51560), (2578, 32780), (2980, 28358), (3278, 25780), (5156, 16390), (5960, 14179), (6445, 13112), (6556, 12890), (8195, 10312)]