395906420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^2$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 1087282560

約数和(自身を除く): 691376140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 107, 130, 133, 140, 182, 190, 214, 247, 260, 266, 364, 380, 428, 455, 494, 532, 535, 665, 749, 910, 988, 1070, 1235, 1330, 1391, 1498, 1729, 1820, 2033, 2140, 2470, 2660, 2782, 2996, 3458, 3745, 4066, 4940, 5564, 6916, 6955, 7490, 8132, 8645, 9737, 10165, 11449, 13910, 14231, 14980, 17290, 19474, 20330, 22898, 26429, 27820, 28462, 34580, 38948, 40660, 45796, 48685, 52858, 56924, 57245, 71155, 80143, 97370, 105716, 114490, 132145, 142310, 148837, 160286, 185003, 194740, 217531, 228980, 264290, 284620, 297674, 320572, 370006, 400715, 435062, 528580, 595348, 740012, 744185, 801430, 870124, 925015, 1041859, 1087655, 1488370, 1522717, 1602860, 1850030, 2083718, 2175310, 2827903, 2976740, 3045434, 3700060, 4167436, 4350620, 5209295, 5655806, 6090868, 7613585, 10418590, 11311612, 14139515, 15227170, 19795321, 20837180, 28279030, 30454340, 39590642, 56558060, 79181284, 98976605, 197953210, 395906420]

約数ペア:

[(1, 395906420), (2, 197953210), (4, 98976605), (5, 79181284), (7, 56558060), (10, 39590642), (13, 30454340), (14, 28279030), (19, 20837180), (20, 19795321), (26, 15227170), (28, 14139515), (35, 11311612), (38, 10418590), (52, 7613585), (65, 6090868), (70, 5655806), (76, 5209295), (91, 4350620), (95, 4167436), (107, 3700060), (130, 3045434), (133, 2976740), (140, 2827903), (182, 2175310), (190, 2083718), (214, 1850030), (247, 1602860), (260, 1522717), (266, 1488370), (364, 1087655), (380, 1041859), (428, 925015), (455, 870124), (494, 801430), (532, 744185), (535, 740012), (665, 595348), (749, 528580), (910, 435062), (988, 400715), (1070, 370006), (1235, 320572), (1330, 297674), (1391, 284620), (1498, 264290), (1729, 228980), (1820, 217531), (2033, 194740), (2140, 185003), (2470, 160286), (2660, 148837), (2782, 142310), (2996, 132145), (3458, 114490), (3745, 105716), (4066, 97370), (4940, 80143), (5564, 71155), (6916, 57245), (6955, 56924), (7490, 52858), (8132, 48685), (8645, 45796), (9737, 40660), (10165, 38948), (11449, 34580), (13910, 28462), (14231, 27820), (14980, 26429), (17290, 22898), (19474, 20330)]