219940580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{15643}}^1$

素因数の和:15708

約数の個数: 48

約数和(自身を含む): 499356480

約数和(自身を除く): 279415900

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1406, 2812, 3515, 7030, 14060, 15643, 31286, 62572, 78215, 156430, 297217, 312860, 578791, 594434, 1157582, 1188868, 1486085, 2315164, 2893955, 2972170, 5787910, 5944340, 10997029, 11575820, 21994058, 43988116, 54985145, 109970290, 219940580]

約数ペア:

[(1, 219940580), (2, 109970290), (4, 54985145), (5, 43988116), (10, 21994058), (19, 11575820), (20, 10997029), (37, 5944340), (38, 5787910), (74, 2972170), (76, 2893955), (95, 2315164), (148, 1486085), (185, 1188868), (190, 1157582), (370, 594434), (380, 578791), (703, 312860), (740, 297217), (1406, 156430), (2812, 78215), (3515, 62572), (7030, 31286), (14060, 15643)]