7678580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4219}}^1$

素因数の和:4248

約数の個数: 48

約数和(自身を含む): 19850880

約数和(自身を除く): 12172300

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 4219, 8438, 16876, 21095, 29533, 42190, 54847, 59066, 84380, 109694, 118132, 147665, 219388, 274235, 295330, 383929, 548470, 590660, 767858, 1096940, 1535716, 1919645, 3839290, 7678580]

約数ペア:

[(1, 7678580), (2, 3839290), (4, 1919645), (5, 1535716), (7, 1096940), (10, 767858), (13, 590660), (14, 548470), (20, 383929), (26, 295330), (28, 274235), (35, 219388), (52, 147665), (65, 118132), (70, 109694), (91, 84380), (130, 59066), (140, 54847), (182, 42190), (260, 29533), (364, 21095), (455, 16876), (910, 8438), (1820, 4219)]