1917181840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{3851}}^1$

素因数の和:4005

約数の個数: 120

約数和(自身を含む): 5227379712

約数和(自身を除く): 3310197872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 127, 140, 196, 245, 254, 280, 392, 490, 508, 560, 635, 784, 889, 980, 1016, 1270, 1778, 1960, 2032, 2540, 3556, 3851, 3920, 4445, 5080, 6223, 7112, 7702, 8890, 10160, 12446, 14224, 15404, 17780, 19255, 24892, 26957, 30808, 31115, 35560, 38510, 49784, 53914, 61616, 62230, 71120, 77020, 99568, 107828, 124460, 134785, 154040, 188699, 215656, 248920, 269570, 308080, 377398, 431312, 489077, 497840, 539140, 754796, 943495, 978154, 1078280, 1509592, 1886990, 1956308, 2156560, 2445385, 3019184, 3423539, 3773980, 3912616, 4890770, 6847078, 7547960, 7825232, 9781540, 13694156, 15095920, 17117695, 19563080, 23964773, 27388312, 34235390, 39126160, 47929546, 54776624, 68470780, 95859092, 119823865, 136941560, 191718184, 239647730, 273883120, 383436368, 479295460, 958590920, 1917181840]

約数ペア:

[(1, 1917181840), (2, 958590920), (4, 479295460), (5, 383436368), (7, 273883120), (8, 239647730), (10, 191718184), (14, 136941560), (16, 119823865), (20, 95859092), (28, 68470780), (35, 54776624), (40, 47929546), (49, 39126160), (56, 34235390), (70, 27388312), (80, 23964773), (98, 19563080), (112, 17117695), (127, 15095920), (140, 13694156), (196, 9781540), (245, 7825232), (254, 7547960), (280, 6847078), (392, 4890770), (490, 3912616), (508, 3773980), (560, 3423539), (635, 3019184), (784, 2445385), (889, 2156560), (980, 1956308), (1016, 1886990), (1270, 1509592), (1778, 1078280), (1960, 978154), (2032, 943495), (2540, 754796), (3556, 539140), (3851, 497840), (3920, 489077), (4445, 431312), (5080, 377398), (6223, 308080), (7112, 269570), (7702, 248920), (8890, 215656), (10160, 188699), (12446, 154040), (14224, 134785), (15404, 124460), (17780, 107828), (19255, 99568), (24892, 77020), (26957, 71120), (30808, 62230), (31115, 61616), (35560, 53914), (38510, 49784)]