139465760

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{17789}}^1$

素因数の和:17818

約数の個数: 72

約数和(自身を含む): 383303340

約数和(自身を除く): 243837580

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 17789, 35578, 71156, 88945, 124523, 142312, 177890, 249046, 284624, 355780, 498092, 569248, 622615, 711560, 871661, 996184, 1245230, 1423120, 1743322, 1992368, 2490460, 2846240, 3486644, 3984736, 4358305, 4980920, 6973288, 8716610, 9961840, 13946576, 17433220, 19923680, 27893152, 34866440, 69732880, 139465760]

約数ペア:

[(1, 139465760), (2, 69732880), (4, 34866440), (5, 27893152), (7, 19923680), (8, 17433220), (10, 13946576), (14, 9961840), (16, 8716610), (20, 6973288), (28, 4980920), (32, 4358305), (35, 3984736), (40, 3486644), (49, 2846240), (56, 2490460), (70, 1992368), (80, 1743322), (98, 1423120), (112, 1245230), (140, 996184), (160, 871661), (196, 711560), (224, 622615), (245, 569248), (280, 498092), (392, 355780), (490, 284624), (560, 249046), (784, 177890), (980, 142312), (1120, 124523), (1568, 88945), (1960, 71156), (3920, 35578), (7840, 17789)]