250004660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{4357}}^1$

素因数の和:4536

約数の個数: 48

約数和(自身を含む): 556429440

約数和(自身を除く): 306424780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 151, 190, 302, 380, 604, 755, 1510, 2869, 3020, 4357, 5738, 8714, 11476, 14345, 17428, 21785, 28690, 43570, 57380, 82783, 87140, 165566, 331132, 413915, 657907, 827830, 1315814, 1655660, 2631628, 3289535, 6579070, 12500233, 13158140, 25000466, 50000932, 62501165, 125002330, 250004660]

約数ペア:

[(1, 250004660), (2, 125002330), (4, 62501165), (5, 50000932), (10, 25000466), (19, 13158140), (20, 12500233), (38, 6579070), (76, 3289535), (95, 2631628), (151, 1655660), (190, 1315814), (302, 827830), (380, 657907), (604, 413915), (755, 331132), (1510, 165566), (2869, 87140), (3020, 82783), (4357, 57380), (5738, 43570), (8714, 28690), (11476, 21785), (14345, 17428)]