404450800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:268

約数の個数: 180

約数和(自身を含む): 1091757504

約数和(自身を除く): 687306704

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 40, 50, 52, 62, 65, 80, 100, 104, 124, 130, 155, 169, 193, 200, 208, 248, 260, 310, 325, 338, 386, 400, 403, 496, 520, 620, 650, 676, 772, 775, 806, 845, 965, 1040, 1240, 1300, 1352, 1544, 1550, 1612, 1690, 1930, 2015, 2480, 2509, 2600, 2704, 3088, 3100, 3224, 3380, 3860, 4030, 4225, 4825, 5018, 5200, 5239, 5983, 6200, 6448, 6760, 7720, 8060, 8450, 9650, 10036, 10075, 10478, 11966, 12400, 12545, 13520, 15440, 16120, 16900, 19300, 20072, 20150, 20956, 23932, 25090, 26195, 29915, 32240, 32617, 33800, 38600, 40144, 40300, 41912, 47864, 50180, 52390, 59830, 62725, 65234, 67600, 77200, 77779, 80600, 83824, 95728, 100360, 104780, 119660, 125450, 130468, 130975, 149575, 155558, 161200, 163085, 200720, 209560, 239320, 250900, 260936, 261950, 299150, 311116, 326170, 388895, 419120, 478640, 501800, 521872, 523900, 598300, 622232, 652340, 777790, 815425, 1003600, 1011127, 1047800, 1196600, 1244464, 1304680, 1555580, 1630850, 1944475, 2022254, 2095600, 2393200, 2609360, 3111160, 3261700, 3888950, 4044508, 5055635, 6222320, 6523400, 7777900, 8089016, 10111270, 13046800, 15555800, 16178032, 20222540, 25278175, 31111600, 40445080, 50556350, 80890160, 101112700, 202225400, 404450800]

約数ペア:

[(1, 404450800), (2, 202225400), (4, 101112700), (5, 80890160), (8, 50556350), (10, 40445080), (13, 31111600), (16, 25278175), (20, 20222540), (25, 16178032), (26, 15555800), (31, 13046800), (40, 10111270), (50, 8089016), (52, 7777900), (62, 6523400), (65, 6222320), (80, 5055635), (100, 4044508), (104, 3888950), (124, 3261700), (130, 3111160), (155, 2609360), (169, 2393200), (193, 2095600), (200, 2022254), (208, 1944475), (248, 1630850), (260, 1555580), (310, 1304680), (325, 1244464), (338, 1196600), (386, 1047800), (400, 1011127), (403, 1003600), (496, 815425), (520, 777790), (620, 652340), (650, 622232), (676, 598300), (772, 523900), (775, 521872), (806, 501800), (845, 478640), (965, 419120), (1040, 388895), (1240, 326170), (1300, 311116), (1352, 299150), (1544, 261950), (1550, 260936), (1612, 250900), (1690, 239320), (1930, 209560), (2015, 200720), (2480, 163085), (2509, 161200), (2600, 155558), (2704, 149575), (3088, 130975), (3100, 130468), (3224, 125450), (3380, 119660), (3860, 104780), (4030, 100360), (4225, 95728), (4825, 83824), (5018, 80600), (5200, 77779), (5239, 77200), (5983, 67600), (6200, 65234), (6448, 62725), (6760, 59830), (7720, 52390), (8060, 50180), (8450, 47864), (9650, 41912), (10036, 40300), (10075, 40144), (10478, 38600), (11966, 33800), (12400, 32617), (12545, 32240), (13520, 29915), (15440, 26195), (16120, 25090), (16900, 23932), (19300, 20956), (20072, 20150)]