99815900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:363

約数の個数: 72

約数和(自身を含む): 224568960

約数和(自身を除く): 124753060

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 139, 167, 172, 215, 278, 334, 430, 556, 668, 695, 835, 860, 1075, 1390, 1670, 2150, 2780, 3340, 3475, 4175, 4300, 5977, 6950, 7181, 8350, 11954, 13900, 14362, 16700, 23213, 23908, 28724, 29885, 35905, 46426, 59770, 71810, 92852, 116065, 119540, 143620, 149425, 179525, 232130, 298850, 359050, 464260, 580325, 597700, 718100, 998159, 1160650, 1996318, 2321300, 3992636, 4990795, 9981590, 19963180, 24953975, 49907950, 99815900]

約数ペア:

[(1, 99815900), (2, 49907950), (4, 24953975), (5, 19963180), (10, 9981590), (20, 4990795), (25, 3992636), (43, 2321300), (50, 1996318), (86, 1160650), (100, 998159), (139, 718100), (167, 597700), (172, 580325), (215, 464260), (278, 359050), (334, 298850), (430, 232130), (556, 179525), (668, 149425), (695, 143620), (835, 119540), (860, 116065), (1075, 92852), (1390, 71810), (1670, 59770), (2150, 46426), (2780, 35905), (3340, 29885), (3475, 28724), (4175, 23908), (4300, 23213), (5977, 16700), (6950, 14362), (7181, 13900), (8350, 11954)]