690180400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:388

約数の個数: 240

約数和(自身を含む): 2078589184

約数和(自身を除く): 1388408784

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 67, 70, 80, 91, 100, 104, 112, 130, 134, 140, 175, 182, 200, 208, 260, 268, 280, 283, 325, 335, 350, 364, 400, 455, 469, 520, 536, 560, 566, 650, 670, 700, 728, 871, 910, 938, 1040, 1072, 1132, 1300, 1340, 1400, 1415, 1456, 1675, 1742, 1820, 1876, 1981, 2264, 2275, 2345, 2600, 2680, 2800, 2830, 3350, 3484, 3640, 3679, 3752, 3962, 4355, 4528, 4550, 4690, 5200, 5360, 5660, 6097, 6700, 6968, 7075, 7280, 7358, 7504, 7924, 8710, 9100, 9380, 9905, 11320, 11725, 12194, 13400, 13936, 14150, 14716, 15848, 17420, 18200, 18395, 18760, 18961, 19810, 21775, 22640, 23450, 24388, 25753, 26800, 28300, 29432, 30485, 31696, 34840, 36400, 36790, 37520, 37922, 39620, 43550, 46900, 48776, 49525, 51506, 56600, 58864, 60970, 69680, 73580, 75844, 79240, 87100, 91975, 93800, 94805, 97552, 99050, 103012, 113200, 121940, 128765, 132727, 147160, 151688, 152425, 158480, 174200, 183950, 187600, 189610, 198100, 206024, 243880, 246493, 257530, 265454, 294320, 303376, 304850, 348400, 367900, 379220, 396200, 412048, 474025, 487760, 492986, 515060, 530908, 609700, 643825, 663635, 735800, 758440, 792400, 948050, 985972, 1030120, 1061816, 1219400, 1232465, 1287650, 1327270, 1471600, 1516880, 1725451, 1896100, 1971944, 2060240, 2123632, 2438800, 2464930, 2575300, 2654540, 3318175, 3450902, 3792200, 3943888, 4929860, 5150600, 5309080, 6162325, 6636350, 6901804, 7584400, 8627255, 9859720, 10301200, 10618160, 12324650, 13272700, 13803608, 17254510, 19719440, 24649300, 26545400, 27607216, 34509020, 43136275, 49298600, 53090800, 69018040, 86272550, 98597200, 138036080, 172545100, 345090200, 690180400]

約数ペア:

[(1, 690180400), (2, 345090200), (4, 172545100), (5, 138036080), (7, 98597200), (8, 86272550), (10, 69018040), (13, 53090800), (14, 49298600), (16, 43136275), (20, 34509020), (25, 27607216), (26, 26545400), (28, 24649300), (35, 19719440), (40, 17254510), (50, 13803608), (52, 13272700), (56, 12324650), (65, 10618160), (67, 10301200), (70, 9859720), (80, 8627255), (91, 7584400), (100, 6901804), (104, 6636350), (112, 6162325), (130, 5309080), (134, 5150600), (140, 4929860), (175, 3943888), (182, 3792200), (200, 3450902), (208, 3318175), (260, 2654540), (268, 2575300), (280, 2464930), (283, 2438800), (325, 2123632), (335, 2060240), (350, 1971944), (364, 1896100), (400, 1725451), (455, 1516880), (469, 1471600), (520, 1327270), (536, 1287650), (560, 1232465), (566, 1219400), (650, 1061816), (670, 1030120), (700, 985972), (728, 948050), (871, 792400), (910, 758440), (938, 735800), (1040, 663635), (1072, 643825), (1132, 609700), (1300, 530908), (1340, 515060), (1400, 492986), (1415, 487760), (1456, 474025), (1675, 412048), (1742, 396200), (1820, 379220), (1876, 367900), (1981, 348400), (2264, 304850), (2275, 303376), (2345, 294320), (2600, 265454), (2680, 257530), (2800, 246493), (2830, 243880), (3350, 206024), (3484, 198100), (3640, 189610), (3679, 187600), (3752, 183950), (3962, 174200), (4355, 158480), (4528, 152425), (4550, 151688), (4690, 147160), (5200, 132727), (5360, 128765), (5660, 121940), (6097, 113200), (6700, 103012), (6968, 99050), (7075, 97552), (7280, 94805), (7358, 93800), (7504, 91975), (7924, 87100), (8710, 79240), (9100, 75844), (9380, 73580), (9905, 69680), (11320, 60970), (11725, 58864), (12194, 56600), (13400, 51506), (13936, 49525), (14150, 48776), (14716, 46900), (15848, 43550), (17420, 39620), (18200, 37922), (18395, 37520), (18760, 36790), (18961, 36400), (19810, 34840), (21775, 31696), (22640, 30485), (23450, 29432), (24388, 28300), (25753, 26800)]