178332280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 477290880

約数和(自身を除く): 298958600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 61, 70, 106, 122, 140, 197, 212, 244, 265, 280, 305, 371, 394, 424, 427, 488, 530, 610, 742, 788, 854, 985, 1060, 1220, 1379, 1484, 1576, 1708, 1855, 1970, 2120, 2135, 2440, 2758, 2968, 3233, 3416, 3710, 3940, 4270, 5516, 6466, 6895, 7420, 7880, 8540, 10441, 11032, 12017, 12932, 13790, 14840, 16165, 17080, 20882, 22631, 24034, 25864, 27580, 32330, 41764, 45262, 48068, 52205, 55160, 60085, 64660, 73087, 83528, 84119, 90524, 96136, 104410, 113155, 120170, 129320, 146174, 168238, 181048, 208820, 226310, 240340, 292348, 336476, 365435, 417640, 420595, 452620, 480680, 584696, 636901, 672952, 730870, 841190, 905240, 1273802, 1461740, 1682380, 2547604, 2923480, 3184505, 3364760, 4458307, 5095208, 6369010, 8916614, 12738020, 17833228, 22291535, 25476040, 35666456, 44583070, 89166140, 178332280]

約数ペア:

[(1, 178332280), (2, 89166140), (4, 44583070), (5, 35666456), (7, 25476040), (8, 22291535), (10, 17833228), (14, 12738020), (20, 8916614), (28, 6369010), (35, 5095208), (40, 4458307), (53, 3364760), (56, 3184505), (61, 2923480), (70, 2547604), (106, 1682380), (122, 1461740), (140, 1273802), (197, 905240), (212, 841190), (244, 730870), (265, 672952), (280, 636901), (305, 584696), (371, 480680), (394, 452620), (424, 420595), (427, 417640), (488, 365435), (530, 336476), (610, 292348), (742, 240340), (788, 226310), (854, 208820), (985, 181048), (1060, 168238), (1220, 146174), (1379, 129320), (1484, 120170), (1576, 113155), (1708, 104410), (1855, 96136), (1970, 90524), (2120, 84119), (2135, 83528), (2440, 73087), (2758, 64660), (2968, 60085), (3233, 55160), (3416, 52205), (3710, 48068), (3940, 45262), (4270, 41764), (5516, 32330), (6466, 27580), (6895, 25864), (7420, 24034), (7880, 22631), (8540, 20882), (10441, 17080), (11032, 16165), (12017, 14840), (12932, 13790)]