520591970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^2\times {\mathrm{431}}^1$

素因数の和:587

約数の個数: 48

約数和(自身を含む): 979558272

約数和(自身を除く): 458966302

約数列:

[1, 2, 5, 10, 43, 53, 86, 106, 215, 265, 430, 431, 530, 862, 2155, 2279, 2809, 4310, 4558, 5618, 11395, 14045, 18533, 22790, 22843, 28090, 37066, 45686, 92665, 114215, 120787, 185330, 228430, 241574, 603935, 982249, 1207870, 1210679, 1964498, 2421358, 4911245, 6053395, 9822490, 12106790, 52059197, 104118394, 260295985, 520591970]

約数ペア:

[(1, 520591970), (2, 260295985), (5, 104118394), (10, 52059197), (43, 12106790), (53, 9822490), (86, 6053395), (106, 4911245), (215, 2421358), (265, 1964498), (430, 1210679), (431, 1207870), (530, 982249), (862, 603935), (2155, 241574), (2279, 228430), (2809, 185330), (4310, 120787), (4558, 114215), (5618, 92665), (11395, 45686), (14045, 37066), (18533, 28090), (22790, 22843)]