217437220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10861}}^1$

素因数の和:10901

約数の個数: 96

約数和(自身を含む): 613138176

約数和(自身を除く): 395700956

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1820, 2002, 2860, 4004, 5005, 10010, 10861, 20020, 21722, 43444, 54305, 76027, 108610, 119471, 141193, 152054, 217220, 238942, 282386, 304108, 380135, 477884, 564772, 597355, 705965, 760270, 836297, 988351, 1194710, 1411930, 1520540, 1553123, 1672594, 1976702, 2389420, 2823860, 3106246, 3345188, 3953404, 4181485, 4941755, 6212492, 7765615, 8362970, 9883510, 10871861, 15531230, 16725940, 19767020, 21743722, 31062460, 43487444, 54359305, 108718610, 217437220]

約数ペア:

[(1, 217437220), (2, 108718610), (4, 54359305), (5, 43487444), (7, 31062460), (10, 21743722), (11, 19767020), (13, 16725940), (14, 15531230), (20, 10871861), (22, 9883510), (26, 8362970), (28, 7765615), (35, 6212492), (44, 4941755), (52, 4181485), (55, 3953404), (65, 3345188), (70, 3106246), (77, 2823860), (91, 2389420), (110, 1976702), (130, 1672594), (140, 1553123), (143, 1520540), (154, 1411930), (182, 1194710), (220, 988351), (260, 836297), (286, 760270), (308, 705965), (364, 597355), (385, 564772), (455, 477884), (572, 380135), (715, 304108), (770, 282386), (910, 238942), (1001, 217220), (1430, 152054), (1540, 141193), (1820, 119471), (2002, 108610), (2860, 76027), (4004, 54305), (5005, 43444), (10010, 21722), (10861, 20020)]