2080491070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{19801}}^1$

素因数の和:19913

約数の個数: 64

約数和(自身を含む): 4562380800

約数和(自身を除く): 2481889730

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 79, 95, 133, 158, 190, 266, 395, 553, 665, 790, 1106, 1330, 1501, 2765, 3002, 5530, 7505, 10507, 15010, 19801, 21014, 39602, 52535, 99005, 105070, 138607, 198010, 277214, 376219, 693035, 752438, 1386070, 1564279, 1881095, 2633533, 3128558, 3762190, 5267066, 7821395, 10949953, 13167665, 15642790, 21899906, 26335330, 29721301, 54749765, 59442602, 109499530, 148606505, 208049107, 297213010, 416098214, 1040245535, 2080491070]

約数ペア:

[(1, 2080491070), (2, 1040245535), (5, 416098214), (7, 297213010), (10, 208049107), (14, 148606505), (19, 109499530), (35, 59442602), (38, 54749765), (70, 29721301), (79, 26335330), (95, 21899906), (133, 15642790), (158, 13167665), (190, 10949953), (266, 7821395), (395, 5267066), (553, 3762190), (665, 3128558), (790, 2633533), (1106, 1881095), (1330, 1564279), (1501, 1386070), (2765, 752438), (3002, 693035), (5530, 376219), (7505, 277214), (10507, 198010), (15010, 138607), (19801, 105070), (21014, 99005), (39602, 52535)]