307720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{157}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 810540

約数和(自身を除く): 502820

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 157, 196, 245, 280, 314, 392, 490, 628, 785, 980, 1099, 1256, 1570, 1960, 2198, 3140, 4396, 5495, 6280, 7693, 8792, 10990, 15386, 21980, 30772, 38465, 43960, 61544, 76930, 153860, 307720]

約数ペア:

[(1, 307720), (2, 153860), (4, 76930), (5, 61544), (7, 43960), (8, 38465), (10, 30772), (14, 21980), (20, 15386), (28, 10990), (35, 8792), (40, 7693), (49, 6280), (56, 5495), (70, 4396), (98, 3140), (140, 2198), (157, 1960), (196, 1570), (245, 1256), (280, 1099), (314, 980), (392, 785), (490, 628)]