305204720

素因数分解:

$2^4\times 5^1\times {\mathrm{971}}^1\times {\mathrm{3929}}^1$

素因数の和:4913

約数の個数: 40

約数和(自身を含む): 710512560

約数和(自身を除く): 405307840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 971, 1942, 3884, 3929, 4855, 7768, 7858, 9710, 15536, 15716, 19420, 19645, 31432, 38840, 39290, 62864, 77680, 78580, 157160, 314320, 3815059, 7630118, 15260236, 19075295, 30520472, 38150590, 61040944, 76301180, 152602360, 305204720]

約数ペア:

[(1, 305204720), (2, 152602360), (4, 76301180), (5, 61040944), (8, 38150590), (10, 30520472), (16, 19075295), (20, 15260236), (40, 7630118), (80, 3815059), (971, 314320), (1942, 157160), (3884, 78580), (3929, 77680), (4855, 62864), (7768, 39290), (7858, 38840), (9710, 31432), (15536, 19645), (15716, 19420)]