338789920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{547}}^1$

素因数の和:655

約数の個数: 144

約数和(自身を含む): 944576640

約数和(自身を除く): 605786720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 79, 80, 98, 112, 140, 158, 160, 196, 224, 245, 280, 316, 392, 395, 490, 547, 553, 560, 632, 784, 790, 980, 1094, 1106, 1120, 1264, 1568, 1580, 1960, 2188, 2212, 2528, 2735, 2765, 3160, 3829, 3871, 3920, 4376, 4424, 5470, 5530, 6320, 7658, 7742, 7840, 8752, 8848, 10940, 11060, 12640, 15316, 15484, 17504, 17696, 19145, 19355, 21880, 22120, 26803, 30632, 30968, 38290, 38710, 43213, 43760, 44240, 53606, 61264, 61936, 76580, 77420, 86426, 87520, 88480, 107212, 122528, 123872, 134015, 153160, 154840, 172852, 214424, 216065, 268030, 302491, 306320, 309680, 345704, 428848, 432130, 536060, 604982, 612640, 619360, 691408, 857696, 864260, 1072120, 1209964, 1382816, 1512455, 1728520, 2117437, 2144240, 2419928, 3024910, 3457040, 4234874, 4288480, 4839856, 6049820, 6914080, 8469748, 9679712, 10587185, 12099640, 16939496, 21174370, 24199280, 33878992, 42348740, 48398560, 67757984, 84697480, 169394960, 338789920]

約数ペア:

[(1, 338789920), (2, 169394960), (4, 84697480), (5, 67757984), (7, 48398560), (8, 42348740), (10, 33878992), (14, 24199280), (16, 21174370), (20, 16939496), (28, 12099640), (32, 10587185), (35, 9679712), (40, 8469748), (49, 6914080), (56, 6049820), (70, 4839856), (79, 4288480), (80, 4234874), (98, 3457040), (112, 3024910), (140, 2419928), (158, 2144240), (160, 2117437), (196, 1728520), (224, 1512455), (245, 1382816), (280, 1209964), (316, 1072120), (392, 864260), (395, 857696), (490, 691408), (547, 619360), (553, 612640), (560, 604982), (632, 536060), (784, 432130), (790, 428848), (980, 345704), (1094, 309680), (1106, 306320), (1120, 302491), (1264, 268030), (1568, 216065), (1580, 214424), (1960, 172852), (2188, 154840), (2212, 153160), (2528, 134015), (2735, 123872), (2765, 122528), (3160, 107212), (3829, 88480), (3871, 87520), (3920, 86426), (4376, 77420), (4424, 76580), (5470, 61936), (5530, 61264), (6320, 53606), (7658, 44240), (7742, 43760), (7840, 43213), (8752, 38710), (8848, 38290), (10940, 30968), (11060, 30632), (12640, 26803), (15316, 22120), (15484, 21880), (17504, 19355), (17696, 19145)]