49805180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2078

約数の個数: 48

約数和(自身を含む): 110769120

約数和(自身を除く): 60963940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 580, 860, 1247, 1997, 2494, 3994, 4988, 6235, 7988, 9985, 12470, 19970, 24940, 39940, 57913, 85871, 115826, 171742, 231652, 289565, 343484, 429355, 579130, 858710, 1158260, 1717420, 2490259, 4980518, 9961036, 12451295, 24902590, 49805180]

約数ペア:

[(1, 49805180), (2, 24902590), (4, 12451295), (5, 9961036), (10, 4980518), (20, 2490259), (29, 1717420), (43, 1158260), (58, 858710), (86, 579130), (116, 429355), (145, 343484), (172, 289565), (215, 231652), (290, 171742), (430, 115826), (580, 85871), (860, 57913), (1247, 39940), (1997, 24940), (2494, 19970), (3994, 12470), (4988, 9985), (6235, 7988)]