381533120

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{38461}}^1$

素因数の和:38509

約数の個数: 56

約数和(自身を含む): 937857408

約数和(自身を除く): 556324288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 38461, 76922, 153844, 192305, 307688, 384610, 615376, 769220, 1192291, 1230752, 1538440, 2384582, 2461504, 3076880, 4769164, 5961455, 6153760, 9538328, 11922910, 12307520, 19076656, 23845820, 38153312, 47691640, 76306624, 95383280, 190766560, 381533120]

約数ペア:

[(1, 381533120), (2, 190766560), (4, 95383280), (5, 76306624), (8, 47691640), (10, 38153312), (16, 23845820), (20, 19076656), (31, 12307520), (32, 11922910), (40, 9538328), (62, 6153760), (64, 5961455), (80, 4769164), (124, 3076880), (155, 2461504), (160, 2384582), (248, 1538440), (310, 1230752), (320, 1192291), (496, 769220), (620, 615376), (992, 384610), (1240, 307688), (1984, 192305), (2480, 153844), (4960, 76922), (9920, 38461)]