7564340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:848

約数の個数: 48

約数和(自身を含む): 18434304

約数和(自身を除く): 10869964

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 761, 994, 1420, 1522, 1988, 2485, 3044, 3805, 4970, 5327, 7610, 9940, 10654, 15220, 21308, 26635, 53270, 54031, 106540, 108062, 216124, 270155, 378217, 540310, 756434, 1080620, 1512868, 1891085, 3782170, 7564340]

約数ペア:

[(1, 7564340), (2, 3782170), (4, 1891085), (5, 1512868), (7, 1080620), (10, 756434), (14, 540310), (20, 378217), (28, 270155), (35, 216124), (70, 108062), (71, 106540), (140, 54031), (142, 53270), (284, 26635), (355, 21308), (497, 15220), (710, 10654), (761, 9940), (994, 7610), (1420, 5327), (1522, 4970), (1988, 3805), (2485, 3044)]