28448562920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1\times {\mathrm{907}}^1$

素因数の和:1375

約数の個数: 128

約数和(自身を含む): 67719075840

約数和(自身を除く): 39270512920

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 103, 115, 184, 206, 230, 331, 412, 460, 515, 662, 824, 907, 920, 1030, 1324, 1655, 1814, 2060, 2369, 2648, 3310, 3628, 4120, 4535, 4738, 6620, 7256, 7613, 9070, 9476, 11845, 13240, 15226, 18140, 18952, 20861, 23690, 30452, 34093, 36280, 38065, 41722, 47380, 60904, 68186, 76130, 83444, 93421, 94760, 104305, 136372, 152260, 166888, 170465, 186842, 208610, 272744, 300217, 304520, 340930, 373684, 417220, 467105, 600434, 681860, 747368, 784139, 834440, 934210, 1200868, 1363720, 1501085, 1568278, 1868420, 2148683, 2401736, 3002170, 3136556, 3736840, 3920695, 4297366, 6004340, 6273112, 6904991, 7841390, 8594732, 10743415, 12008680, 13809982, 15682780, 17189464, 21486830, 27619964, 30922351, 31365560, 34524955, 42973660, 55239928, 61844702, 69049910, 85947320, 123689404, 138099820, 154611755, 247378808, 276199640, 309223510, 618447020, 711214073, 1236894040, 1422428146, 2844856292, 3556070365, 5689712584, 7112140730, 14224281460, 28448562920]

約数ペア:

[(1, 28448562920), (2, 14224281460), (4, 7112140730), (5, 5689712584), (8, 3556070365), (10, 2844856292), (20, 1422428146), (23, 1236894040), (40, 711214073), (46, 618447020), (92, 309223510), (103, 276199640), (115, 247378808), (184, 154611755), (206, 138099820), (230, 123689404), (331, 85947320), (412, 69049910), (460, 61844702), (515, 55239928), (662, 42973660), (824, 34524955), (907, 31365560), (920, 30922351), (1030, 27619964), (1324, 21486830), (1655, 17189464), (1814, 15682780), (2060, 13809982), (2369, 12008680), (2648, 10743415), (3310, 8594732), (3628, 7841390), (4120, 6904991), (4535, 6273112), (4738, 6004340), (6620, 4297366), (7256, 3920695), (7613, 3736840), (9070, 3136556), (9476, 3002170), (11845, 2401736), (13240, 2148683), (15226, 1868420), (18140, 1568278), (18952, 1501085), (20861, 1363720), (23690, 1200868), (30452, 934210), (34093, 834440), (36280, 784139), (38065, 747368), (41722, 681860), (47380, 600434), (60904, 467105), (68186, 417220), (76130, 373684), (83444, 340930), (93421, 304520), (94760, 300217), (104305, 272744), (136372, 208610), (152260, 186842), (166888, 170465)]