1283571380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{705259}}^1$

素因数の和:705288

約数の個数: 48

約数和(自身を含む): 3317543040

約数和(自身を除く): 2033971660

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, 705259, 1410518, 2821036, 3526295, 4936813, 7052590, 9168367, 9873626, 14105180, 18336734, 19747252, 24684065, 36673468, 45841835, 49368130, 64178569, 91683670, 98736260, 128357138, 183367340, 256714276, 320892845, 641785690, 1283571380]

約数ペア:

[(1, 1283571380), (2, 641785690), (4, 320892845), (5, 256714276), (7, 183367340), (10, 128357138), (13, 98736260), (14, 91683670), (20, 64178569), (26, 49368130), (28, 45841835), (35, 36673468), (52, 24684065), (65, 19747252), (70, 18336734), (91, 14105180), (130, 9873626), (140, 9168367), (182, 7052590), (260, 4936813), (364, 3526295), (455, 2821036), (910, 1410518), (1820, 705259)]