77882840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{797}}^1$

素因数の和:1164

約数の個数: 64

約数和(自身を含む): 201096000

約数和(自身を除く): 123213160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 349, 698, 797, 1396, 1594, 1745, 2443, 2792, 3188, 3490, 3985, 4886, 5579, 6376, 6980, 7970, 9772, 11158, 12215, 13960, 15940, 19544, 22316, 24430, 27895, 31880, 44632, 48860, 55790, 97720, 111580, 223160, 278153, 556306, 1112612, 1390765, 1947071, 2225224, 2781530, 3894142, 5563060, 7788284, 9735355, 11126120, 15576568, 19470710, 38941420, 77882840]

約数ペア:

[(1, 77882840), (2, 38941420), (4, 19470710), (5, 15576568), (7, 11126120), (8, 9735355), (10, 7788284), (14, 5563060), (20, 3894142), (28, 2781530), (35, 2225224), (40, 1947071), (56, 1390765), (70, 1112612), (140, 556306), (280, 278153), (349, 223160), (698, 111580), (797, 97720), (1396, 55790), (1594, 48860), (1745, 44632), (2443, 31880), (2792, 27895), (3188, 24430), (3490, 22316), (3985, 19544), (4886, 15940), (5579, 13960), (6376, 12215), (6980, 11158), (7970, 9772)]