213404520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{254053}}^1$

素因数の和:254074

約数の個数: 64

約数和(自身を含む): 731675520

約数和(自身を除く): 518271000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 254053, 508106, 762159, 1016212, 1270265, 1524318, 1778371, 2032424, 2540530, 3048636, 3556742, 3810795, 5081060, 5335113, 6097272, 7113484, 7621590, 8891855, 10162120, 10670226, 14226968, 15243180, 17783710, 21340452, 26675565, 30486360, 35567420, 42680904, 53351130, 71134840, 106702260, 213404520]

約数ペア:

[(1, 213404520), (2, 106702260), (3, 71134840), (4, 53351130), (5, 42680904), (6, 35567420), (7, 30486360), (8, 26675565), (10, 21340452), (12, 17783710), (14, 15243180), (15, 14226968), (20, 10670226), (21, 10162120), (24, 8891855), (28, 7621590), (30, 7113484), (35, 6097272), (40, 5335113), (42, 5081060), (56, 3810795), (60, 3556742), (70, 3048636), (84, 2540530), (105, 2032424), (120, 1778371), (140, 1524318), (168, 1270265), (210, 1016212), (280, 762159), (420, 508106), (840, 254053)]