253161220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{8933}}^1$

素因数の和:9064

約数の個数: 48

約数和(自身を含む): 577851120

約数和(自身を除く): 324689900

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, 8933, 14170, 17866, 28340, 35732, 44665, 89330, 116129, 178660, 232258, 464516, 580645, 973697, 1161290, 1947394, 2322580, 3894788, 4868485, 9736970, 12658061, 19473940, 25316122, 50632244, 63290305, 126580610, 253161220]

約数ペア:

[(1, 253161220), (2, 126580610), (4, 63290305), (5, 50632244), (10, 25316122), (13, 19473940), (20, 12658061), (26, 9736970), (52, 4868485), (65, 3894788), (109, 2322580), (130, 1947394), (218, 1161290), (260, 973697), (436, 580645), (545, 464516), (1090, 232258), (1417, 178660), (2180, 116129), (2834, 89330), (5668, 44665), (7085, 35732), (8933, 28340), (14170, 17866)]