208030280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1\times {\mathrm{383}}^1$

素因数の和:798

約数の個数: 64

約数和(自身を含む): 483287040

約数和(自身を除く): 275256760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 367, 370, 383, 734, 740, 766, 1468, 1480, 1532, 1835, 1915, 2936, 3064, 3670, 3830, 7340, 7660, 13579, 14171, 14680, 15320, 27158, 28342, 54316, 56684, 67895, 70855, 108632, 113368, 135790, 140561, 141710, 271580, 281122, 283420, 543160, 562244, 566840, 702805, 1124488, 1405610, 2811220, 5200757, 5622440, 10401514, 20803028, 26003785, 41606056, 52007570, 104015140, 208030280]

約数ペア:

[(1, 208030280), (2, 104015140), (4, 52007570), (5, 41606056), (8, 26003785), (10, 20803028), (20, 10401514), (37, 5622440), (40, 5200757), (74, 2811220), (148, 1405610), (185, 1124488), (296, 702805), (367, 566840), (370, 562244), (383, 543160), (734, 283420), (740, 281122), (766, 271580), (1468, 141710), (1480, 140561), (1532, 135790), (1835, 113368), (1915, 108632), (2936, 70855), (3064, 67895), (3670, 56684), (3830, 54316), (7340, 28342), (7660, 27158), (13579, 15320), (14171, 14680)]