151930180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{7681}}^1$

素因数の和:7756

約数の個数: 48

約数和(自身を含む): 340712064

約数和(自身を除く): 188781884

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3956, 4945, 7681, 9890, 15362, 19780, 30724, 38405, 76810, 153620, 176663, 330283, 353326, 660566, 706652, 883315, 1321132, 1651415, 1766630, 3302830, 3533260, 6605660, 7596509, 15193018, 30386036, 37982545, 75965090, 151930180]

約数ペア:

[(1, 151930180), (2, 75965090), (4, 37982545), (5, 30386036), (10, 15193018), (20, 7596509), (23, 6605660), (43, 3533260), (46, 3302830), (86, 1766630), (92, 1651415), (115, 1321132), (172, 883315), (215, 706652), (230, 660566), (430, 353326), (460, 330283), (860, 176663), (989, 153620), (1978, 76810), (3956, 38405), (4945, 30724), (7681, 19780), (9890, 15362)]