231384280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{17909}}^1$

素因数の和:17956

約数の個数: 64

約数和(自身を含む): 580284000

約数和(自身を除く): 348899720

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 6460, 12920, 17909, 35818, 71636, 89545, 143272, 179090, 304453, 340271, 358180, 608906, 680542, 716360, 1217812, 1361084, 1522265, 1701355, 2435624, 2722168, 3044530, 3402710, 5784607, 6089060, 6805420, 11569214, 12178120, 13610840, 23138428, 28923035, 46276856, 57846070, 115692140, 231384280]

約数ペア:

[(1, 231384280), (2, 115692140), (4, 57846070), (5, 46276856), (8, 28923035), (10, 23138428), (17, 13610840), (19, 12178120), (20, 11569214), (34, 6805420), (38, 6089060), (40, 5784607), (68, 3402710), (76, 3044530), (85, 2722168), (95, 2435624), (136, 1701355), (152, 1522265), (170, 1361084), (190, 1217812), (323, 716360), (340, 680542), (380, 608906), (646, 358180), (680, 340271), (760, 304453), (1292, 179090), (1615, 143272), (2584, 89545), (3230, 71636), (6460, 35818), (12920, 17909)]