840778840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1061}}^1\times {\mathrm{1801}}^1$

素因数の和:2884

約数の個数: 64

約数和(自身を含む): 2066821920

約数和(自身を除く): 1226043080

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1061, 1801, 2122, 3602, 4244, 5305, 7204, 8488, 9005, 10610, 11671, 14408, 18010, 19811, 21220, 23342, 36020, 39622, 42440, 46684, 58355, 72040, 79244, 93368, 99055, 116710, 158488, 198110, 233420, 396220, 466840, 792440, 1910861, 3821722, 7643444, 9554305, 15286888, 19108610, 21019471, 38217220, 42038942, 76434440, 84077884, 105097355, 168155768, 210194710, 420389420, 840778840]

約数ペア:

[(1, 840778840), (2, 420389420), (4, 210194710), (5, 168155768), (8, 105097355), (10, 84077884), (11, 76434440), (20, 42038942), (22, 38217220), (40, 21019471), (44, 19108610), (55, 15286888), (88, 9554305), (110, 7643444), (220, 3821722), (440, 1910861), (1061, 792440), (1801, 466840), (2122, 396220), (3602, 233420), (4244, 198110), (5305, 158488), (7204, 116710), (8488, 99055), (9005, 93368), (10610, 79244), (11671, 72040), (14408, 58355), (18010, 46684), (19811, 42440), (21220, 39622), (23342, 36020)]