29916460

素因数分解:

$2^2\times 5^1\times 7^5\times {\mathrm{89}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 74118240

約数和(自身を除く): 44201780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 343, 356, 445, 490, 623, 686, 890, 980, 1246, 1372, 1715, 1780, 2401, 2492, 3115, 3430, 4361, 4802, 6230, 6860, 8722, 9604, 12005, 12460, 16807, 17444, 21805, 24010, 30527, 33614, 43610, 48020, 61054, 67228, 84035, 87220, 122108, 152635, 168070, 213689, 305270, 336140, 427378, 610540, 854756, 1068445, 1495823, 2136890, 2991646, 4273780, 5983292, 7479115, 14958230, 29916460]

約数ペア:

[(1, 29916460), (2, 14958230), (4, 7479115), (5, 5983292), (7, 4273780), (10, 2991646), (14, 2136890), (20, 1495823), (28, 1068445), (35, 854756), (49, 610540), (70, 427378), (89, 336140), (98, 305270), (140, 213689), (178, 168070), (196, 152635), (245, 122108), (343, 87220), (356, 84035), (445, 67228), (490, 61054), (623, 48020), (686, 43610), (890, 33614), (980, 30527), (1246, 24010), (1372, 21805), (1715, 17444), (1780, 16807), (2401, 12460), (2492, 12005), (3115, 9604), (3430, 8722), (4361, 6860), (4802, 6230)]