142506140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{4259}}^1$

素因数の和:4514

約数の個数: 48

約数和(自身を含む): 343526400

約数和(自身を除く): 201020260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1673, 2390, 3346, 4259, 4780, 6692, 8365, 8518, 16730, 17036, 21295, 29813, 33460, 42590, 59626, 85180, 119252, 149065, 298130, 596260, 1017901, 2035802, 4071604, 5089505, 7125307, 10179010, 14250614, 20358020, 28501228, 35626535, 71253070, 142506140]

約数ペア:

[(1, 142506140), (2, 71253070), (4, 35626535), (5, 28501228), (7, 20358020), (10, 14250614), (14, 10179010), (20, 7125307), (28, 5089505), (35, 4071604), (70, 2035802), (140, 1017901), (239, 596260), (478, 298130), (956, 149065), (1195, 119252), (1673, 85180), (2390, 59626), (3346, 42590), (4259, 33460), (4780, 29813), (6692, 21295), (8365, 17036), (8518, 16730)]