617146740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{489799}}^1$

素因数の和:489821

約数の個数: 72

約数和(自身を含む): 2139446400

約数和(自身を除く): 1522299660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 489799, 979598, 1469397, 1959196, 2448995, 2938794, 3428593, 4408191, 4897990, 5877588, 6857186, 7346985, 8816382, 9795980, 10285779, 13714372, 14693970, 17142965, 17632764, 20571558, 22040955, 29387940, 30857337, 34285930, 41143116, 44081910, 51428895, 61714674, 68571860, 88163820, 102857790, 123429348, 154286685, 205715580, 308573370, 617146740]

約数ペア:

[(1, 617146740), (2, 308573370), (3, 205715580), (4, 154286685), (5, 123429348), (6, 102857790), (7, 88163820), (9, 68571860), (10, 61714674), (12, 51428895), (14, 44081910), (15, 41143116), (18, 34285930), (20, 30857337), (21, 29387940), (28, 22040955), (30, 20571558), (35, 17632764), (36, 17142965), (42, 14693970), (45, 13714372), (60, 10285779), (63, 9795980), (70, 8816382), (84, 7346985), (90, 6857186), (105, 5877588), (126, 4897990), (140, 4408191), (180, 3428593), (210, 2938794), (252, 2448995), (315, 1959196), (420, 1469397), (630, 979598), (1260, 489799)]