206880650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:288

約数の個数: 72

約数和(自身を含む): 415702560

約数和(自身を除く): 208821910

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 103, 139, 170, 206, 278, 289, 425, 515, 578, 695, 850, 1030, 1390, 1445, 1751, 2363, 2575, 2890, 3475, 3502, 4726, 5150, 6950, 7225, 8755, 11815, 14317, 14450, 17510, 23630, 28634, 29767, 40171, 43775, 59075, 59534, 71585, 80342, 87550, 118150, 143170, 148835, 200855, 243389, 297670, 357925, 401710, 486778, 715850, 744175, 1004275, 1216945, 1488350, 2008550, 2433890, 4137613, 6084725, 8275226, 12169450, 20688065, 41376130, 103440325, 206880650]

約数ペア:

[(1, 206880650), (2, 103440325), (5, 41376130), (10, 20688065), (17, 12169450), (25, 8275226), (34, 6084725), (50, 4137613), (85, 2433890), (103, 2008550), (139, 1488350), (170, 1216945), (206, 1004275), (278, 744175), (289, 715850), (425, 486778), (515, 401710), (578, 357925), (695, 297670), (850, 243389), (1030, 200855), (1390, 148835), (1445, 143170), (1751, 118150), (2363, 87550), (2575, 80342), (2890, 71585), (3475, 59534), (3502, 59075), (4726, 43775), (5150, 40171), (6950, 29767), (7225, 28634), (8755, 23630), (11815, 17510), (14317, 14450)]