256787470

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{22907}}^1$

素因数の和:22992

約数の個数: 32

約数和(自身を含む): 494812800

約数和(自身を除く): 238025330

約数列:

[1, 2, 5, 10, 19, 38, 59, 95, 118, 190, 295, 590, 1121, 2242, 5605, 11210, 22907, 45814, 114535, 229070, 435233, 870466, 1351513, 2176165, 2703026, 4352330, 6757565, 13515130, 25678747, 51357494, 128393735, 256787470]

約数ペア:

[(1, 256787470), (2, 128393735), (5, 51357494), (10, 25678747), (19, 13515130), (38, 6757565), (59, 4352330), (95, 2703026), (118, 2176165), (190, 1351513), (295, 870466), (590, 435233), (1121, 229070), (2242, 114535), (5605, 45814), (11210, 22907)]