228780020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{4967}}^1$

素因数の和:5037

約数の個数: 72

約数和(自身を含む): 570882816

約数和(自身を除く): 342102796

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 940, 980, 1316, 1645, 2303, 3290, 4606, 4967, 6580, 9212, 9934, 11515, 19868, 23030, 24835, 34769, 46060, 49670, 69538, 99340, 139076, 173845, 233449, 243383, 347690, 466898, 486766, 695380, 933796, 973532, 1167245, 1216915, 1634143, 2334490, 2433830, 3268286, 4668980, 4867660, 6536572, 8170715, 11439001, 16341430, 22878002, 32682860, 45756004, 57195005, 114390010, 228780020]

約数ペア:

[(1, 228780020), (2, 114390010), (4, 57195005), (5, 45756004), (7, 32682860), (10, 22878002), (14, 16341430), (20, 11439001), (28, 8170715), (35, 6536572), (47, 4867660), (49, 4668980), (70, 3268286), (94, 2433830), (98, 2334490), (140, 1634143), (188, 1216915), (196, 1167245), (235, 973532), (245, 933796), (329, 695380), (470, 486766), (490, 466898), (658, 347690), (940, 243383), (980, 233449), (1316, 173845), (1645, 139076), (2303, 99340), (3290, 69538), (4606, 49670), (4967, 46060), (6580, 34769), (9212, 24835), (9934, 23030), (11515, 19868)]