217998270

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{115343}}^1$

素因数の和:115366

約数の個数: 64

約数和(自身を含む): 664381440

約数和(自身を除く): 446383170

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 115343, 230686, 346029, 576715, 692058, 807401, 1038087, 1153430, 1614802, 1730145, 2076174, 2422203, 3114261, 3460290, 4037005, 4844406, 5190435, 6228522, 7266609, 8074010, 10380870, 12111015, 14533218, 15571305, 21799827, 24222030, 31142610, 36333045, 43599654, 72666090, 108999135, 217998270]

約数ペア:

[(1, 217998270), (2, 108999135), (3, 72666090), (5, 43599654), (6, 36333045), (7, 31142610), (9, 24222030), (10, 21799827), (14, 15571305), (15, 14533218), (18, 12111015), (21, 10380870), (27, 8074010), (30, 7266609), (35, 6228522), (42, 5190435), (45, 4844406), (54, 4037005), (63, 3460290), (70, 3114261), (90, 2422203), (105, 2076174), (126, 1730145), (135, 1614802), (189, 1153430), (210, 1038087), (270, 807401), (315, 692058), (378, 576715), (630, 346029), (945, 230686), (1890, 115343)]