201311080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7159}}^1$

素因数の和:7226

約数の個数: 64

約数和(自身を含む): 489744000

約数和(自身を除く): 288432920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 1406, 1480, 2812, 3515, 5624, 7030, 7159, 14060, 14318, 28120, 28636, 35795, 57272, 71590, 136021, 143180, 264883, 272042, 286360, 529766, 544084, 680105, 1059532, 1088168, 1324415, 1360210, 2119064, 2648830, 2720420, 5032777, 5297660, 5440840, 10065554, 10595320, 20131108, 25163885, 40262216, 50327770, 100655540, 201311080]

約数ペア:

[(1, 201311080), (2, 100655540), (4, 50327770), (5, 40262216), (8, 25163885), (10, 20131108), (19, 10595320), (20, 10065554), (37, 5440840), (38, 5297660), (40, 5032777), (74, 2720420), (76, 2648830), (95, 2119064), (148, 1360210), (152, 1324415), (185, 1088168), (190, 1059532), (296, 680105), (370, 544084), (380, 529766), (703, 286360), (740, 272042), (760, 264883), (1406, 143180), (1480, 136021), (2812, 71590), (3515, 57272), (5624, 35795), (7030, 28636), (7159, 28120), (14060, 14318)]