454597780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{249779}}^1$

素因数の和:249808

約数の個数: 48

約数和(自身を含む): 1174965120

約数和(自身を除く): 720367340

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 249779, 499558, 999116, 1248895, 1748453, 2497790, 3247127, 3496906, 4995580, 6494254, 6993812, 8742265, 12988508, 16235635, 17484530, 22729889, 32471270, 34969060, 45459778, 64942540, 90919556, 113649445, 227298890, 454597780]

約数ペア:

[(1, 454597780), (2, 227298890), (4, 113649445), (5, 90919556), (7, 64942540), (10, 45459778), (13, 34969060), (14, 32471270), (20, 22729889), (26, 17484530), (28, 16235635), (35, 12988508), (52, 8742265), (65, 6993812), (70, 6494254), (91, 4995580), (130, 3496906), (140, 3247127), (182, 2497790), (260, 1748453), (364, 1248895), (455, 999116), (910, 499558), (1820, 249779)]