271493320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{138517}}^1$

素因数の和:138542

約数の個数: 48

約数和(自身を含む): 710597340

約数和(自身を除く): 439104020

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 138517, 277034, 554068, 692585, 969619, 1108136, 1385170, 1939238, 2770340, 3878476, 4848095, 5540680, 6787333, 7756952, 9696190, 13574666, 19392380, 27149332, 33936665, 38784760, 54298664, 67873330, 135746660, 271493320]

約数ペア:

[(1, 271493320), (2, 135746660), (4, 67873330), (5, 54298664), (7, 38784760), (8, 33936665), (10, 27149332), (14, 19392380), (20, 13574666), (28, 9696190), (35, 7756952), (40, 6787333), (49, 5540680), (56, 4848095), (70, 3878476), (98, 2770340), (140, 1939238), (196, 1385170), (245, 1108136), (280, 969619), (392, 692585), (490, 554068), (980, 277034), (1960, 138517)]