28914690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{877}}^1$

素因数の和:1051

約数の個数: 64

約数和(自身を含む): 79905024

約数和(自身を除く): 50990334

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 157, 210, 314, 471, 785, 877, 942, 1099, 1570, 1754, 2198, 2355, 2631, 3297, 4385, 4710, 5262, 5495, 6139, 6594, 8770, 10990, 12278, 13155, 16485, 18417, 26310, 30695, 32970, 36834, 61390, 92085, 137689, 184170, 275378, 413067, 688445, 826134, 963823, 1376890, 1927646, 2065335, 2891469, 4130670, 4819115, 5782938, 9638230, 14457345, 28914690]

約数ペア:

[(1, 28914690), (2, 14457345), (3, 9638230), (5, 5782938), (6, 4819115), (7, 4130670), (10, 2891469), (14, 2065335), (15, 1927646), (21, 1376890), (30, 963823), (35, 826134), (42, 688445), (70, 413067), (105, 275378), (157, 184170), (210, 137689), (314, 92085), (471, 61390), (785, 36834), (877, 32970), (942, 30695), (1099, 26310), (1570, 18417), (1754, 16485), (2198, 13155), (2355, 12278), (2631, 10990), (3297, 8770), (4385, 6594), (4710, 6139), (5262, 5495)]