917854980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2185369}}^1$

素因数の和:2185388

約数の個数: 48

約数和(自身を含む): 2937137280

約数和(自身を除く): 2019282300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 2185369, 4370738, 6556107, 8741476, 10926845, 13112214, 15297583, 21853690, 26224428, 30595166, 32780535, 43707380, 45892749, 61190332, 65561070, 76487915, 91785498, 131122140, 152975830, 183570996, 229463745, 305951660, 458927490, 917854980]

約数ペア:

[(1, 917854980), (2, 458927490), (3, 305951660), (4, 229463745), (5, 183570996), (6, 152975830), (7, 131122140), (10, 91785498), (12, 76487915), (14, 65561070), (15, 61190332), (20, 45892749), (21, 43707380), (28, 32780535), (30, 30595166), (35, 26224428), (42, 21853690), (60, 15297583), (70, 13112214), (84, 10926845), (105, 8741476), (140, 6556107), (210, 4370738), (420, 2185369)]