695430680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:457

約数の個数: 128

約数和(自身を含む): 1831680000

約数和(自身を除く): 1136249320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 149, 158, 211, 280, 298, 316, 395, 422, 553, 596, 632, 745, 790, 844, 1043, 1055, 1106, 1192, 1477, 1490, 1580, 1688, 2086, 2110, 2212, 2765, 2954, 2980, 3160, 4172, 4220, 4424, 5215, 5530, 5908, 5960, 7385, 8344, 8440, 10430, 11060, 11771, 11816, 14770, 16669, 20860, 22120, 23542, 29540, 31439, 33338, 41720, 47084, 58855, 59080, 62878, 66676, 82397, 83345, 94168, 116683, 117710, 125756, 133352, 157195, 164794, 166690, 220073, 233366, 235420, 251512, 314390, 329588, 333380, 411985, 440146, 466732, 470840, 583415, 628780, 659176, 666760, 823970, 880292, 933464, 1100365, 1166830, 1257560, 1647940, 1760584, 2200730, 2333660, 2483681, 3295880, 4401460, 4667320, 4967362, 8802920, 9934724, 12418405, 17385767, 19869448, 24836810, 34771534, 49673620, 69543068, 86928835, 99347240, 139086136, 173857670, 347715340, 695430680]

約数ペア:

[(1, 695430680), (2, 347715340), (4, 173857670), (5, 139086136), (7, 99347240), (8, 86928835), (10, 69543068), (14, 49673620), (20, 34771534), (28, 24836810), (35, 19869448), (40, 17385767), (56, 12418405), (70, 9934724), (79, 8802920), (140, 4967362), (149, 4667320), (158, 4401460), (211, 3295880), (280, 2483681), (298, 2333660), (316, 2200730), (395, 1760584), (422, 1647940), (553, 1257560), (596, 1166830), (632, 1100365), (745, 933464), (790, 880292), (844, 823970), (1043, 666760), (1055, 659176), (1106, 628780), (1192, 583415), (1477, 470840), (1490, 466732), (1580, 440146), (1688, 411985), (2086, 333380), (2110, 329588), (2212, 314390), (2765, 251512), (2954, 235420), (2980, 233366), (3160, 220073), (4172, 166690), (4220, 164794), (4424, 157195), (5215, 133352), (5530, 125756), (5908, 117710), (5960, 116683), (7385, 94168), (8344, 83345), (8440, 82397), (10430, 66676), (11060, 62878), (11771, 59080), (11816, 58855), (14770, 47084), (16669, 41720), (20860, 33338), (22120, 31439), (23542, 29540)]