410340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{977}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 1314432

約数和(自身を除く): 904092

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, 977, 1954, 2931, 3908, 4885, 5862, 6839, 9770, 11724, 13678, 14655, 19540, 20517, 27356, 29310, 34195, 41034, 58620, 68390, 82068, 102585, 136780, 205170, 410340]

約数ペア:

[(1, 410340), (2, 205170), (3, 136780), (4, 102585), (5, 82068), (6, 68390), (7, 58620), (10, 41034), (12, 34195), (14, 29310), (15, 27356), (20, 20517), (21, 19540), (28, 14655), (30, 13678), (35, 11724), (42, 9770), (60, 6839), (70, 5862), (84, 4885), (105, 3908), (140, 2931), (210, 1954), (420, 977)]