172380280

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:700

約数の個数: 64

約数和(自身を含む): 397457280

約数和(自身を除く): 225077000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 131, 134, 262, 268, 335, 491, 524, 536, 655, 670, 982, 1048, 1310, 1340, 1964, 2455, 2620, 2680, 3928, 4910, 5240, 8777, 9820, 17554, 19640, 32897, 35108, 43885, 64321, 65794, 70216, 87770, 128642, 131588, 164485, 175540, 257284, 263176, 321605, 328970, 351080, 514568, 643210, 657940, 1286420, 1315880, 2572840, 4309507, 8619014, 17238028, 21547535, 34476056, 43095070, 86190140, 172380280]

約数ペア:

[(1, 172380280), (2, 86190140), (4, 43095070), (5, 34476056), (8, 21547535), (10, 17238028), (20, 8619014), (40, 4309507), (67, 2572840), (131, 1315880), (134, 1286420), (262, 657940), (268, 643210), (335, 514568), (491, 351080), (524, 328970), (536, 321605), (655, 263176), (670, 257284), (982, 175540), (1048, 164485), (1310, 131588), (1340, 128642), (1964, 87770), (2455, 70216), (2620, 65794), (2680, 64321), (3928, 43885), (4910, 35108), (5240, 32897), (8777, 19640), (9820, 17554)]