2788590

素因数分解:

$2^1\times 3^1\times 5^1\times 7^3\times {\mathrm{271}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 7833600

約数和(自身を除く): 5045010

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 271, 294, 343, 490, 542, 686, 735, 813, 1029, 1355, 1470, 1626, 1715, 1897, 2058, 2710, 3430, 3794, 4065, 5145, 5691, 8130, 9485, 10290, 11382, 13279, 18970, 26558, 28455, 39837, 56910, 66395, 79674, 92953, 132790, 185906, 199185, 278859, 398370, 464765, 557718, 929530, 1394295, 2788590]

約数ペア:

[(1, 2788590), (2, 1394295), (3, 929530), (5, 557718), (6, 464765), (7, 398370), (10, 278859), (14, 199185), (15, 185906), (21, 132790), (30, 92953), (35, 79674), (42, 66395), (49, 56910), (70, 39837), (98, 28455), (105, 26558), (147, 18970), (210, 13279), (245, 11382), (271, 10290), (294, 9485), (343, 8130), (490, 5691), (542, 5145), (686, 4065), (735, 3794), (813, 3430), (1029, 2710), (1355, 2058), (1470, 1897), (1626, 1715)]