2021787530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{217163}}^1$

素因数の和:217203

約数の個数: 48

約数和(自身を含む): 4456205280

約数和(自身を除く): 2434417750

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 4655, 9310, 217163, 434326, 1085815, 1520141, 2171630, 3040282, 4126097, 7600705, 8252194, 10640987, 15201410, 20630485, 21281974, 28882679, 41260970, 53204935, 57765358, 106409870, 144413395, 202178753, 288826790, 404357506, 1010893765, 2021787530]

約数ペア:

[(1, 2021787530), (2, 1010893765), (5, 404357506), (7, 288826790), (10, 202178753), (14, 144413395), (19, 106409870), (35, 57765358), (38, 53204935), (49, 41260970), (70, 28882679), (95, 21281974), (98, 20630485), (133, 15201410), (190, 10640987), (245, 8252194), (266, 7600705), (490, 4126097), (665, 3040282), (931, 2171630), (1330, 1520141), (1862, 1085815), (4655, 434326), (9310, 217163)]