2150650180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{27779}}^1$

素因数の和:27881

約数の個数: 72

約数和(自身を含む): 5320425600

約数和(自身を除く): 3169775420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 395, 490, 553, 790, 980, 1106, 1580, 2212, 2765, 3871, 5530, 7742, 11060, 15484, 19355, 27779, 38710, 55558, 77420, 111116, 138895, 194453, 277790, 388906, 555580, 777812, 972265, 1361171, 1944530, 2194541, 2722342, 3889060, 4389082, 5444684, 6805855, 8778164, 10972705, 13611710, 15361787, 21945410, 27223420, 30723574, 43890820, 61447148, 76808935, 107532509, 153617870, 215065018, 307235740, 430130036, 537662545, 1075325090, 2150650180]

約数ペア:

[(1, 2150650180), (2, 1075325090), (4, 537662545), (5, 430130036), (7, 307235740), (10, 215065018), (14, 153617870), (20, 107532509), (28, 76808935), (35, 61447148), (49, 43890820), (70, 30723574), (79, 27223420), (98, 21945410), (140, 15361787), (158, 13611710), (196, 10972705), (245, 8778164), (316, 6805855), (395, 5444684), (490, 4389082), (553, 3889060), (790, 2722342), (980, 2194541), (1106, 1944530), (1580, 1361171), (2212, 972265), (2765, 777812), (3871, 555580), (5530, 388906), (7742, 277790), (11060, 194453), (15484, 138895), (19355, 111116), (27779, 77420), (38710, 55558)]