12771850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:440

約数の個数: 72

約数和(自身を含む): 29834028

約数和(自身を除く): 17062178

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 49, 50, 65, 70, 91, 98, 130, 175, 182, 245, 325, 350, 401, 455, 490, 637, 650, 802, 910, 1225, 1274, 2005, 2275, 2450, 2807, 3185, 4010, 4550, 5213, 5614, 6370, 10025, 10426, 14035, 15925, 19649, 20050, 26065, 28070, 31850, 36491, 39298, 52130, 70175, 72982, 98245, 130325, 140350, 182455, 196490, 255437, 260650, 364910, 491225, 510874, 912275, 982450, 1277185, 1824550, 2554370, 6385925, 12771850]

約数ペア:

[(1, 12771850), (2, 6385925), (5, 2554370), (7, 1824550), (10, 1277185), (13, 982450), (14, 912275), (25, 510874), (26, 491225), (35, 364910), (49, 260650), (50, 255437), (65, 196490), (70, 182455), (91, 140350), (98, 130325), (130, 98245), (175, 72982), (182, 70175), (245, 52130), (325, 39298), (350, 36491), (401, 31850), (455, 28070), (490, 26065), (637, 20050), (650, 19649), (802, 15925), (910, 14035), (1225, 10426), (1274, 10025), (2005, 6370), (2275, 5614), (2450, 5213), (2807, 4550), (3185, 4010)]