788563240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{12391}}^1$

素因数の和:12482

約数の個数: 64

約数和(自身を含む): 1864748160

約数和(自身を除く): 1076184920

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 43, 74, 86, 148, 172, 185, 215, 296, 344, 370, 430, 740, 860, 1480, 1591, 1720, 3182, 6364, 7955, 12391, 12728, 15910, 24782, 31820, 49564, 61955, 63640, 99128, 123910, 247820, 458467, 495640, 532813, 916934, 1065626, 1833868, 2131252, 2292335, 2664065, 3667736, 4262504, 4584670, 5328130, 9169340, 10656260, 18338680, 19714081, 21312520, 39428162, 78856324, 98570405, 157712648, 197140810, 394281620, 788563240]

約数ペア:

[(1, 788563240), (2, 394281620), (4, 197140810), (5, 157712648), (8, 98570405), (10, 78856324), (20, 39428162), (37, 21312520), (40, 19714081), (43, 18338680), (74, 10656260), (86, 9169340), (148, 5328130), (172, 4584670), (185, 4262504), (215, 3667736), (296, 2664065), (344, 2292335), (370, 2131252), (430, 1833868), (740, 1065626), (860, 916934), (1480, 532813), (1591, 495640), (1720, 458467), (3182, 247820), (6364, 123910), (7955, 99128), (12391, 63640), (12728, 61955), (15910, 49564), (24782, 31820)]