199085940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{8443}}^1$

素因数の和:8589

約数の個数: 72

約数和(自身を含む): 608575968

約数和(自身を除く): 409490028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 1179, 1310, 1572, 1965, 2358, 2620, 3930, 4716, 5895, 7860, 8443, 11790, 16886, 23580, 25329, 33772, 42215, 50658, 75987, 84430, 101316, 126645, 151974, 168860, 253290, 303948, 379935, 506580, 759870, 1106033, 1519740, 2212066, 3318099, 4424132, 5530165, 6636198, 9954297, 11060330, 13272396, 16590495, 19908594, 22120660, 33180990, 39817188, 49771485, 66361980, 99542970, 199085940]

約数ペア:

[(1, 199085940), (2, 99542970), (3, 66361980), (4, 49771485), (5, 39817188), (6, 33180990), (9, 22120660), (10, 19908594), (12, 16590495), (15, 13272396), (18, 11060330), (20, 9954297), (30, 6636198), (36, 5530165), (45, 4424132), (60, 3318099), (90, 2212066), (131, 1519740), (180, 1106033), (262, 759870), (393, 506580), (524, 379935), (655, 303948), (786, 253290), (1179, 168860), (1310, 151974), (1572, 126645), (1965, 101316), (2358, 84430), (2620, 75987), (3930, 50658), (4716, 42215), (5895, 33772), (7860, 25329), (8443, 23580), (11790, 16886)]