2011551990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{258887}}^1$

素因数の和:258941

約数の個数: 64

約数和(自身を含む): 5666540544

約数和(自身を除く): 3654988554

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 70, 74, 105, 111, 185, 210, 222, 259, 370, 518, 555, 777, 1110, 1295, 1554, 2590, 3885, 7770, 258887, 517774, 776661, 1294435, 1553322, 1812209, 2588870, 3624418, 3883305, 5436627, 7766610, 9061045, 9578819, 10873254, 18122090, 19157638, 27183135, 28736457, 47894095, 54366270, 57472914, 67051733, 95788190, 134103466, 143682285, 201155199, 287364570, 335258665, 402310398, 670517330, 1005775995, 2011551990]

約数ペア:

[(1, 2011551990), (2, 1005775995), (3, 670517330), (5, 402310398), (6, 335258665), (7, 287364570), (10, 201155199), (14, 143682285), (15, 134103466), (21, 95788190), (30, 67051733), (35, 57472914), (37, 54366270), (42, 47894095), (70, 28736457), (74, 27183135), (105, 19157638), (111, 18122090), (185, 10873254), (210, 9578819), (222, 9061045), (259, 7766610), (370, 5436627), (518, 3883305), (555, 3624418), (777, 2588870), (1110, 1812209), (1295, 1553322), (1554, 1294435), (2590, 776661), (3885, 517774), (7770, 258887)]