1949629640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{994709}}^1$

素因数の和:994734

約数の個数: 48

約数和(自身を含む): 5102862300

約数和(自身を除く): 3153232660

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, 994709, 1989418, 3978836, 4973545, 6962963, 7957672, 9947090, 13925926, 19894180, 27851852, 34814815, 39788360, 48740741, 55703704, 69629630, 97481482, 139259260, 194962964, 243703705, 278518520, 389925928, 487407410, 974814820, 1949629640]

約数ペア:

[(1, 1949629640), (2, 974814820), (4, 487407410), (5, 389925928), (7, 278518520), (8, 243703705), (10, 194962964), (14, 139259260), (20, 97481482), (28, 69629630), (35, 55703704), (40, 48740741), (49, 39788360), (56, 34814815), (70, 27851852), (98, 19894180), (140, 13925926), (196, 9947090), (245, 7957672), (280, 6962963), (392, 4973545), (490, 3978836), (980, 1989418), (1960, 994709)]