1748380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 3991680

約数和(自身を除く): 2243300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 107, 172, 190, 214, 215, 380, 428, 430, 535, 817, 860, 1070, 1634, 2033, 2140, 3268, 4066, 4085, 4601, 8132, 8170, 9202, 10165, 16340, 18404, 20330, 23005, 40660, 46010, 87419, 92020, 174838, 349676, 437095, 874190, 1748380]

約数ペア:

[(1, 1748380), (2, 874190), (4, 437095), (5, 349676), (10, 174838), (19, 92020), (20, 87419), (38, 46010), (43, 40660), (76, 23005), (86, 20330), (95, 18404), (107, 16340), (172, 10165), (190, 9202), (214, 8170), (215, 8132), (380, 4601), (428, 4085), (430, 4066), (535, 3268), (817, 2140), (860, 2033), (1070, 1634)]