285457900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:193

約数の個数: 216

約数和(自身を含む): 813281280

約数和(自身を除く): 527823380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 25, 26, 28, 35, 38, 50, 52, 65, 70, 76, 91, 95, 100, 127, 130, 133, 140, 169, 175, 182, 190, 247, 254, 260, 266, 325, 338, 350, 364, 380, 455, 475, 494, 508, 532, 635, 650, 665, 676, 700, 845, 889, 910, 950, 988, 1183, 1235, 1270, 1300, 1330, 1651, 1690, 1729, 1778, 1820, 1900, 2275, 2366, 2413, 2470, 2540, 2660, 3175, 3211, 3302, 3325, 3380, 3458, 3556, 4225, 4445, 4550, 4732, 4826, 4940, 5915, 6175, 6350, 6422, 6604, 6650, 6916, 8255, 8450, 8645, 8890, 9100, 9652, 11557, 11830, 12065, 12350, 12700, 12844, 13300, 16055, 16510, 16891, 16900, 17290, 17780, 21463, 22225, 22477, 23114, 23660, 24130, 24700, 29575, 31369, 32110, 33020, 33782, 34580, 41275, 42926, 43225, 44450, 44954, 46228, 48260, 57785, 59150, 60325, 62738, 64220, 67564, 80275, 82550, 84455, 85852, 86450, 88900, 89908, 107315, 112385, 115570, 118300, 120650, 125476, 150241, 156845, 160550, 165100, 168910, 172900, 214630, 219583, 224770, 231140, 241300, 288925, 300482, 313690, 321100, 337820, 407797, 422275, 429260, 439166, 449540, 536575, 561925, 577850, 600964, 627380, 751205, 784225, 815594, 844550, 878332, 1073150, 1097915, 1123850, 1155700, 1502410, 1568450, 1631188, 1689100, 2038985, 2146300, 2195830, 2247700, 2854579, 3004820, 3136900, 3756025, 4077970, 4391660, 5489575, 5709158, 7512050, 8155940, 10194925, 10979150, 11418316, 14272895, 15024100, 20389850, 21958300, 28545790, 40779700, 57091580, 71364475, 142728950, 285457900]

約数ペア:

[(1, 285457900), (2, 142728950), (4, 71364475), (5, 57091580), (7, 40779700), (10, 28545790), (13, 21958300), (14, 20389850), (19, 15024100), (20, 14272895), (25, 11418316), (26, 10979150), (28, 10194925), (35, 8155940), (38, 7512050), (50, 5709158), (52, 5489575), (65, 4391660), (70, 4077970), (76, 3756025), (91, 3136900), (95, 3004820), (100, 2854579), (127, 2247700), (130, 2195830), (133, 2146300), (140, 2038985), (169, 1689100), (175, 1631188), (182, 1568450), (190, 1502410), (247, 1155700), (254, 1123850), (260, 1097915), (266, 1073150), (325, 878332), (338, 844550), (350, 815594), (364, 784225), (380, 751205), (455, 627380), (475, 600964), (494, 577850), (508, 561925), (532, 536575), (635, 449540), (650, 439166), (665, 429260), (676, 422275), (700, 407797), (845, 337820), (889, 321100), (910, 313690), (950, 300482), (988, 288925), (1183, 241300), (1235, 231140), (1270, 224770), (1300, 219583), (1330, 214630), (1651, 172900), (1690, 168910), (1729, 165100), (1778, 160550), (1820, 156845), (1900, 150241), (2275, 125476), (2366, 120650), (2413, 118300), (2470, 115570), (2540, 112385), (2660, 107315), (3175, 89908), (3211, 88900), (3302, 86450), (3325, 85852), (3380, 84455), (3458, 82550), (3556, 80275), (4225, 67564), (4445, 64220), (4550, 62738), (4732, 60325), (4826, 59150), (4940, 57785), (5915, 48260), (6175, 46228), (6350, 44954), (6422, 44450), (6604, 43225), (6650, 42926), (6916, 41275), (8255, 34580), (8450, 33782), (8645, 33020), (8890, 32110), (9100, 31369), (9652, 29575), (11557, 24700), (11830, 24130), (12065, 23660), (12350, 23114), (12700, 22477), (12844, 22225), (13300, 21463), (16055, 17780), (16510, 17290), (16891, 16900)]