209667970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{599}}^1$

素因数の和:723

約数の個数: 64

約数和(自身を含む): 419904000

約数和(自身を除く): 210236030

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 71, 85, 142, 145, 170, 290, 355, 493, 599, 710, 986, 1198, 1207, 2059, 2414, 2465, 2995, 4118, 4930, 5990, 6035, 10183, 10295, 12070, 17371, 20366, 20590, 34742, 35003, 42529, 50915, 70006, 85058, 86855, 101830, 173710, 175015, 212645, 295307, 350030, 425290, 590614, 722993, 1233341, 1445986, 1476535, 2466682, 2953070, 3614965, 6166705, 7229930, 12333410, 20966797, 41933594, 104833985, 209667970]

約数ペア:

[(1, 209667970), (2, 104833985), (5, 41933594), (10, 20966797), (17, 12333410), (29, 7229930), (34, 6166705), (58, 3614965), (71, 2953070), (85, 2466682), (142, 1476535), (145, 1445986), (170, 1233341), (290, 722993), (355, 590614), (493, 425290), (599, 350030), (710, 295307), (986, 212645), (1198, 175015), (1207, 173710), (2059, 101830), (2414, 86855), (2465, 85058), (2995, 70006), (4118, 50915), (4930, 42529), (5990, 35003), (6035, 34742), (10183, 20590), (10295, 20366), (12070, 17371)]