399876660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{116923}}^1$

素因数の和:116957

約数の個数: 72

約数和(自身を含む): 1276810080

約数和(自身を除く): 876933420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 116923, 233846, 350769, 467692, 584615, 701538, 1052307, 1169230, 1403076, 1753845, 2104614, 2221537, 2338460, 3507690, 4209228, 4443074, 5261535, 6664611, 7015380, 8886148, 10523070, 11107685, 13329222, 19993833, 21046140, 22215370, 26658444, 33323055, 39987666, 44430740, 66646110, 79975332, 99969165, 133292220, 199938330, 399876660]

約数ペア:

[(1, 399876660), (2, 199938330), (3, 133292220), (4, 99969165), (5, 79975332), (6, 66646110), (9, 44430740), (10, 39987666), (12, 33323055), (15, 26658444), (18, 22215370), (19, 21046140), (20, 19993833), (30, 13329222), (36, 11107685), (38, 10523070), (45, 8886148), (57, 7015380), (60, 6664611), (76, 5261535), (90, 4443074), (95, 4209228), (114, 3507690), (171, 2338460), (180, 2221537), (190, 2104614), (228, 1753845), (285, 1403076), (342, 1169230), (380, 1052307), (570, 701538), (684, 584615), (855, 467692), (1140, 350769), (1710, 233846), (3420, 116923)]