2548778820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{38653}}^1$

素因数の和:38829

約数の個数: 96

約数和(自身を含む): 8208254208

約数和(自身を除く): 5659475388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 157, 210, 314, 420, 471, 628, 785, 942, 1099, 1570, 1884, 2198, 2355, 3140, 3297, 4396, 4710, 5495, 6594, 9420, 10990, 13188, 16485, 21980, 32970, 38653, 65940, 77306, 115959, 154612, 193265, 231918, 270571, 386530, 463836, 541142, 579795, 773060, 811713, 1082284, 1159590, 1352855, 1623426, 2319180, 2705710, 3246852, 4058565, 5411420, 6068521, 8117130, 12137042, 16234260, 18205563, 24274084, 30342605, 36411126, 42479647, 60685210, 72822252, 84959294, 91027815, 121370420, 127438941, 169918588, 182055630, 212398235, 254877882, 364111260, 424796470, 509755764, 637194705, 849592940, 1274389410, 2548778820]

約数ペア:

[(1, 2548778820), (2, 1274389410), (3, 849592940), (4, 637194705), (5, 509755764), (6, 424796470), (7, 364111260), (10, 254877882), (12, 212398235), (14, 182055630), (15, 169918588), (20, 127438941), (21, 121370420), (28, 91027815), (30, 84959294), (35, 72822252), (42, 60685210), (60, 42479647), (70, 36411126), (84, 30342605), (105, 24274084), (140, 18205563), (157, 16234260), (210, 12137042), (314, 8117130), (420, 6068521), (471, 5411420), (628, 4058565), (785, 3246852), (942, 2705710), (1099, 2319180), (1570, 1623426), (1884, 1352855), (2198, 1159590), (2355, 1082284), (3140, 811713), (3297, 773060), (4396, 579795), (4710, 541142), (5495, 463836), (6594, 386530), (9420, 270571), (10990, 231918), (13188, 193265), (16485, 154612), (21980, 115959), (32970, 77306), (38653, 65940)]