1284340460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{45319}}^1$

素因数の和:45450

約数の個数: 48

約数和(自身を含む): 2931297600

約数和(自身を除く): 1646957140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 260, 436, 545, 1090, 1417, 2180, 2834, 5668, 7085, 14170, 28340, 45319, 90638, 181276, 226595, 453190, 589147, 906380, 1178294, 2356588, 2945735, 4939771, 5891470, 9879542, 11782940, 19759084, 24698855, 49397710, 64217023, 98795420, 128434046, 256868092, 321085115, 642170230, 1284340460]

約数ペア:

[(1, 1284340460), (2, 642170230), (4, 321085115), (5, 256868092), (10, 128434046), (13, 98795420), (20, 64217023), (26, 49397710), (52, 24698855), (65, 19759084), (109, 11782940), (130, 9879542), (218, 5891470), (260, 4939771), (436, 2945735), (545, 2356588), (1090, 1178294), (1417, 906380), (2180, 589147), (2834, 453190), (5668, 226595), (7085, 181276), (14170, 90638), (28340, 45319)]