207427220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{797}}^1$

素因数の和:850

約数の個数: 144

約数和(自身を含む): 588809088

約数和(自身を除く): 381381868

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, 169, 182, 220, 260, 286, 308, 338, 364, 385, 455, 572, 676, 715, 770, 797, 845, 910, 1001, 1183, 1430, 1540, 1594, 1690, 1820, 1859, 2002, 2366, 2860, 3188, 3380, 3718, 3985, 4004, 4732, 5005, 5579, 5915, 7436, 7970, 8767, 9295, 10010, 10361, 11158, 11830, 13013, 15940, 17534, 18590, 20020, 20722, 22316, 23660, 26026, 27895, 35068, 37180, 41444, 43835, 51805, 52052, 55790, 61369, 65065, 72527, 87670, 103610, 111580, 113971, 122738, 130130, 134693, 145054, 175340, 207220, 227942, 245476, 260260, 269386, 290108, 306845, 362635, 455884, 538772, 569855, 613690, 673465, 725270, 797797, 942851, 1139710, 1227380, 1346930, 1450540, 1481623, 1595594, 1885702, 2279420, 2693860, 2963246, 3191188, 3771404, 3988985, 4714255, 5926492, 7408115, 7977970, 9428510, 10371361, 14816230, 15955940, 18857020, 20742722, 29632460, 41485444, 51856805, 103713610, 207427220]

約数ペア:

[(1, 207427220), (2, 103713610), (4, 51856805), (5, 41485444), (7, 29632460), (10, 20742722), (11, 18857020), (13, 15955940), (14, 14816230), (20, 10371361), (22, 9428510), (26, 7977970), (28, 7408115), (35, 5926492), (44, 4714255), (52, 3988985), (55, 3771404), (65, 3191188), (70, 2963246), (77, 2693860), (91, 2279420), (110, 1885702), (130, 1595594), (140, 1481623), (143, 1450540), (154, 1346930), (169, 1227380), (182, 1139710), (220, 942851), (260, 797797), (286, 725270), (308, 673465), (338, 613690), (364, 569855), (385, 538772), (455, 455884), (572, 362635), (676, 306845), (715, 290108), (770, 269386), (797, 260260), (845, 245476), (910, 227942), (1001, 207220), (1183, 175340), (1430, 145054), (1540, 134693), (1594, 130130), (1690, 122738), (1820, 113971), (1859, 111580), (2002, 103610), (2366, 87670), (2860, 72527), (3188, 65065), (3380, 61369), (3718, 55790), (3985, 52052), (4004, 51805), (4732, 43835), (5005, 41444), (5579, 37180), (5915, 35068), (7436, 27895), (7970, 26026), (8767, 23660), (9295, 22316), (10010, 20722), (10361, 20020), (11158, 18590), (11830, 17534), (13013, 15940)]