1564340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 3592512

約数和(自身を除く): 2028172

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 107, 170, 172, 214, 215, 340, 428, 430, 535, 731, 860, 1070, 1462, 1819, 2140, 2924, 3638, 3655, 4601, 7276, 7310, 9095, 9202, 14620, 18190, 18404, 23005, 36380, 46010, 78217, 92020, 156434, 312868, 391085, 782170, 1564340]

約数ペア:

[(1, 1564340), (2, 782170), (4, 391085), (5, 312868), (10, 156434), (17, 92020), (20, 78217), (34, 46010), (43, 36380), (68, 23005), (85, 18404), (86, 18190), (107, 14620), (170, 9202), (172, 9095), (214, 7310), (215, 7276), (340, 4601), (428, 3655), (430, 3638), (535, 2924), (731, 2140), (860, 1819), (1070, 1462)]