399142680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89897}}^1$

素因数の和:89948

約数の個数: 64

約数和(自身を含む): 1229804640

約数和(自身を除く): 830661960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 89897, 179794, 269691, 359588, 449485, 539382, 719176, 898970, 1078764, 1348455, 1797940, 2157528, 2696910, 3326189, 3595880, 5393820, 6652378, 9978567, 10787640, 13304756, 16630945, 19957134, 26609512, 33261890, 39914268, 49892835, 66523780, 79828536, 99785670, 133047560, 199571340, 399142680]

約数ペア:

[(1, 399142680), (2, 199571340), (3, 133047560), (4, 99785670), (5, 79828536), (6, 66523780), (8, 49892835), (10, 39914268), (12, 33261890), (15, 26609512), (20, 19957134), (24, 16630945), (30, 13304756), (37, 10787640), (40, 9978567), (60, 6652378), (74, 5393820), (111, 3595880), (120, 3326189), (148, 2696910), (185, 2157528), (222, 1797940), (296, 1348455), (370, 1078764), (444, 898970), (555, 719176), (740, 539382), (888, 449485), (1110, 359588), (1480, 269691), (2220, 179794), (4440, 89897)]