77605220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1$

素因数の和:370

約数の個数: 144

約数和(自身を含む): 216494208

約数和(自身を除く): 138888988

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 49, 55, 70, 77, 92, 98, 110, 115, 140, 154, 161, 196, 220, 230, 245, 253, 308, 313, 322, 385, 460, 490, 506, 539, 626, 644, 770, 805, 980, 1012, 1078, 1127, 1252, 1265, 1540, 1565, 1610, 1771, 2156, 2191, 2254, 2530, 2695, 3130, 3220, 3443, 3542, 4382, 4508, 5060, 5390, 5635, 6260, 6886, 7084, 7199, 8764, 8855, 10780, 10955, 11270, 12397, 13772, 14398, 15337, 17215, 17710, 21910, 22540, 24101, 24794, 28796, 30674, 34430, 35420, 35995, 43820, 48202, 49588, 50393, 61348, 61985, 68860, 71990, 76685, 79189, 96404, 100786, 120505, 123970, 143980, 153370, 158378, 168707, 201572, 241010, 247940, 251965, 306740, 316756, 337414, 352751, 395945, 482020, 503930, 554323, 674828, 705502, 791890, 843535, 1007860, 1108646, 1411004, 1583780, 1687070, 1763755, 2217292, 2771615, 3374140, 3527510, 3880261, 5543230, 7055020, 7760522, 11086460, 15521044, 19401305, 38802610, 77605220]

約数ペア:

[(1, 77605220), (2, 38802610), (4, 19401305), (5, 15521044), (7, 11086460), (10, 7760522), (11, 7055020), (14, 5543230), (20, 3880261), (22, 3527510), (23, 3374140), (28, 2771615), (35, 2217292), (44, 1763755), (46, 1687070), (49, 1583780), (55, 1411004), (70, 1108646), (77, 1007860), (92, 843535), (98, 791890), (110, 705502), (115, 674828), (140, 554323), (154, 503930), (161, 482020), (196, 395945), (220, 352751), (230, 337414), (245, 316756), (253, 306740), (308, 251965), (313, 247940), (322, 241010), (385, 201572), (460, 168707), (490, 158378), (506, 153370), (539, 143980), (626, 123970), (644, 120505), (770, 100786), (805, 96404), (980, 79189), (1012, 76685), (1078, 71990), (1127, 68860), (1252, 61985), (1265, 61348), (1540, 50393), (1565, 49588), (1610, 48202), (1771, 43820), (2156, 35995), (2191, 35420), (2254, 34430), (2530, 30674), (2695, 28796), (3130, 24794), (3220, 24101), (3443, 22540), (3542, 21910), (4382, 17710), (4508, 17215), (5060, 15337), (5390, 14398), (5635, 13772), (6260, 12397), (6886, 11270), (7084, 10955), (7199, 10780), (8764, 8855)]