214489940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:417

約数の個数: 96

約数和(自身を含む): 530820864

約数和(自身を除く): 316330924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 137, 140, 211, 212, 265, 274, 371, 422, 530, 548, 685, 742, 844, 959, 1055, 1060, 1370, 1477, 1484, 1855, 1918, 2110, 2740, 2954, 3710, 3836, 4220, 4795, 5908, 7261, 7385, 7420, 9590, 11183, 14522, 14770, 19180, 22366, 28907, 29044, 29540, 36305, 44732, 50827, 55915, 57814, 72610, 78281, 101654, 111830, 115628, 144535, 145220, 156562, 202349, 203308, 223660, 254135, 289070, 313124, 391405, 404698, 508270, 578140, 782810, 809396, 1011745, 1016540, 1532071, 1565620, 2023490, 3064142, 4046980, 6128284, 7660355, 10724497, 15320710, 21448994, 30641420, 42897988, 53622485, 107244970, 214489940]

約数ペア:

[(1, 214489940), (2, 107244970), (4, 53622485), (5, 42897988), (7, 30641420), (10, 21448994), (14, 15320710), (20, 10724497), (28, 7660355), (35, 6128284), (53, 4046980), (70, 3064142), (106, 2023490), (137, 1565620), (140, 1532071), (211, 1016540), (212, 1011745), (265, 809396), (274, 782810), (371, 578140), (422, 508270), (530, 404698), (548, 391405), (685, 313124), (742, 289070), (844, 254135), (959, 223660), (1055, 203308), (1060, 202349), (1370, 156562), (1477, 145220), (1484, 144535), (1855, 115628), (1918, 111830), (2110, 101654), (2740, 78281), (2954, 72610), (3710, 57814), (3836, 55915), (4220, 50827), (4795, 44732), (5908, 36305), (7261, 29540), (7385, 29044), (7420, 28907), (9590, 22366), (11183, 19180), (14522, 14770)]