283398280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:395

約数の個数: 128

約数和(自身を含む): 729907200

約数和(自身を除く): 446508920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 79, 88, 110, 124, 155, 158, 220, 248, 263, 310, 316, 341, 395, 440, 526, 620, 632, 682, 790, 869, 1052, 1240, 1315, 1364, 1580, 1705, 1738, 2104, 2449, 2630, 2728, 2893, 3160, 3410, 3476, 4345, 4898, 5260, 5786, 6820, 6952, 8153, 8690, 9796, 10520, 11572, 12245, 13640, 14465, 16306, 17380, 19592, 20777, 23144, 24490, 26939, 28930, 32612, 34760, 40765, 41554, 48980, 53878, 57860, 65224, 81530, 83108, 89683, 97960, 103885, 107756, 115720, 134695, 163060, 166216, 179366, 207770, 215512, 228547, 269390, 326120, 358732, 415540, 448415, 457094, 538780, 644087, 717464, 831080, 896830, 914188, 1077560, 1142735, 1288174, 1793660, 1828376, 2285470, 2576348, 3220435, 3587320, 4570940, 5152696, 6440870, 7084957, 9141880, 12881740, 14169914, 25763480, 28339828, 35424785, 56679656, 70849570, 141699140, 283398280]

約数ペア:

[(1, 283398280), (2, 141699140), (4, 70849570), (5, 56679656), (8, 35424785), (10, 28339828), (11, 25763480), (20, 14169914), (22, 12881740), (31, 9141880), (40, 7084957), (44, 6440870), (55, 5152696), (62, 4570940), (79, 3587320), (88, 3220435), (110, 2576348), (124, 2285470), (155, 1828376), (158, 1793660), (220, 1288174), (248, 1142735), (263, 1077560), (310, 914188), (316, 896830), (341, 831080), (395, 717464), (440, 644087), (526, 538780), (620, 457094), (632, 448415), (682, 415540), (790, 358732), (869, 326120), (1052, 269390), (1240, 228547), (1315, 215512), (1364, 207770), (1580, 179366), (1705, 166216), (1738, 163060), (2104, 134695), (2449, 115720), (2630, 107756), (2728, 103885), (2893, 97960), (3160, 89683), (3410, 83108), (3476, 81530), (4345, 65224), (4898, 57860), (5260, 53878), (5786, 48980), (6820, 41554), (6952, 40765), (8153, 34760), (8690, 32612), (9796, 28930), (10520, 26939), (11572, 24490), (12245, 23144), (13640, 20777), (14465, 19592), (16306, 17380)]