389749860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19507}}^1$

素因数の和:19562

約数の個数: 96

約数和(自身を含む): 1245390720

約数和(自身を除く): 855640860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 90, 108, 111, 135, 148, 180, 185, 222, 270, 333, 370, 444, 540, 555, 666, 740, 999, 1110, 1332, 1665, 1998, 2220, 3330, 3996, 4995, 6660, 9990, 19507, 19980, 39014, 58521, 78028, 97535, 117042, 175563, 195070, 234084, 292605, 351126, 390140, 526689, 585210, 702252, 721759, 877815, 1053378, 1170420, 1443518, 1755630, 2106756, 2165277, 2633445, 2887036, 3511260, 3608795, 4330554, 5266890, 6495831, 7217590, 8661108, 10533780, 10826385, 12991662, 14435180, 19487493, 21652770, 25983324, 32479155, 38974986, 43305540, 64958310, 77949972, 97437465, 129916620, 194874930, 389749860]

約数ペア:

[(1, 389749860), (2, 194874930), (3, 129916620), (4, 97437465), (5, 77949972), (6, 64958310), (9, 43305540), (10, 38974986), (12, 32479155), (15, 25983324), (18, 21652770), (20, 19487493), (27, 14435180), (30, 12991662), (36, 10826385), (37, 10533780), (45, 8661108), (54, 7217590), (60, 6495831), (74, 5266890), (90, 4330554), (108, 3608795), (111, 3511260), (135, 2887036), (148, 2633445), (180, 2165277), (185, 2106756), (222, 1755630), (270, 1443518), (333, 1170420), (370, 1053378), (444, 877815), (540, 721759), (555, 702252), (666, 585210), (740, 526689), (999, 390140), (1110, 351126), (1332, 292605), (1665, 234084), (1998, 195070), (2220, 175563), (3330, 117042), (3996, 97535), (4995, 78028), (6660, 58521), (9990, 39014), (19507, 19980)]