40539100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1997}}^1$

素因数の和:2047

約数の個数: 72

約数和(自身を含む): 104055840

約数和(自身を除く): 63516740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 140, 145, 175, 203, 290, 350, 406, 580, 700, 725, 812, 1015, 1450, 1997, 2030, 2900, 3994, 4060, 5075, 7988, 9985, 10150, 13979, 19970, 20300, 27958, 39940, 49925, 55916, 57913, 69895, 99850, 115826, 139790, 199700, 231652, 279580, 289565, 349475, 405391, 579130, 698950, 810782, 1158260, 1397900, 1447825, 1621564, 2026955, 2895650, 4053910, 5791300, 8107820, 10134775, 20269550, 40539100]

約数ペア:

[(1, 40539100), (2, 20269550), (4, 10134775), (5, 8107820), (7, 5791300), (10, 4053910), (14, 2895650), (20, 2026955), (25, 1621564), (28, 1447825), (29, 1397900), (35, 1158260), (50, 810782), (58, 698950), (70, 579130), (100, 405391), (116, 349475), (140, 289565), (145, 279580), (175, 231652), (203, 199700), (290, 139790), (350, 115826), (406, 99850), (580, 69895), (700, 57913), (725, 55916), (812, 49925), (1015, 39940), (1450, 27958), (1997, 20300), (2030, 19970), (2900, 13979), (3994, 10150), (4060, 9985), (5075, 7988)]