381801680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:253

約数の個数: 160

約数和(自身を含む): 998936064

約数和(自身を除く): 617134384

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 73, 80, 94, 104, 107, 130, 146, 188, 208, 214, 235, 260, 292, 365, 376, 428, 470, 520, 535, 584, 611, 730, 752, 856, 940, 949, 1040, 1070, 1168, 1222, 1391, 1460, 1712, 1880, 1898, 2140, 2444, 2782, 2920, 3055, 3431, 3760, 3796, 4280, 4745, 4888, 5029, 5564, 5840, 6110, 6862, 6955, 7592, 7811, 8560, 9490, 9776, 10058, 11128, 12220, 13724, 13910, 15184, 15622, 17155, 18980, 20116, 22256, 24440, 25145, 27448, 27820, 31244, 34310, 37960, 39055, 40232, 44603, 48880, 50290, 54896, 55640, 62488, 65377, 68620, 75920, 78110, 80464, 89206, 100580, 101543, 111280, 124976, 130754, 137240, 156220, 178412, 201160, 203086, 223015, 261508, 274480, 312440, 326885, 356824, 367117, 402320, 406172, 446030, 507715, 523016, 624880, 653770, 713648, 734234, 812344, 892060, 1015430, 1046032, 1307540, 1468468, 1624688, 1784120, 1835585, 2030860, 2615080, 2936936, 3568240, 3671170, 4061720, 4772521, 5230160, 5873872, 7342340, 8123440, 9545042, 14684680, 19090084, 23862605, 29369360, 38180168, 47725210, 76360336, 95450420, 190900840, 381801680]

約数ペア:

[(1, 381801680), (2, 190900840), (4, 95450420), (5, 76360336), (8, 47725210), (10, 38180168), (13, 29369360), (16, 23862605), (20, 19090084), (26, 14684680), (40, 9545042), (47, 8123440), (52, 7342340), (65, 5873872), (73, 5230160), (80, 4772521), (94, 4061720), (104, 3671170), (107, 3568240), (130, 2936936), (146, 2615080), (188, 2030860), (208, 1835585), (214, 1784120), (235, 1624688), (260, 1468468), (292, 1307540), (365, 1046032), (376, 1015430), (428, 892060), (470, 812344), (520, 734234), (535, 713648), (584, 653770), (611, 624880), (730, 523016), (752, 507715), (856, 446030), (940, 406172), (949, 402320), (1040, 367117), (1070, 356824), (1168, 326885), (1222, 312440), (1391, 274480), (1460, 261508), (1712, 223015), (1880, 203086), (1898, 201160), (2140, 178412), (2444, 156220), (2782, 137240), (2920, 130754), (3055, 124976), (3431, 111280), (3760, 101543), (3796, 100580), (4280, 89206), (4745, 80464), (4888, 78110), (5029, 75920), (5564, 68620), (5840, 65377), (6110, 62488), (6862, 55640), (6955, 54896), (7592, 50290), (7811, 48880), (8560, 44603), (9490, 40232), (9776, 39055), (10058, 37960), (11128, 34310), (12220, 31244), (13724, 27820), (13910, 27448), (15184, 25145), (15622, 24440), (17155, 22256), (18980, 20116)]