31490800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:467

約数の個数: 120

約数和(自身を含む): 87597072

約数和(自身を除く): 56106272

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 25, 34, 40, 44, 50, 55, 68, 80, 85, 88, 100, 110, 136, 170, 176, 187, 200, 220, 272, 275, 340, 374, 400, 421, 425, 440, 550, 680, 748, 842, 850, 880, 935, 1100, 1360, 1496, 1684, 1700, 1870, 2105, 2200, 2992, 3368, 3400, 3740, 4210, 4400, 4631, 4675, 6736, 6800, 7157, 7480, 8420, 9262, 9350, 10525, 14314, 14960, 16840, 18524, 18700, 21050, 23155, 28628, 33680, 35785, 37048, 37400, 42100, 46310, 57256, 71570, 74096, 74800, 78727, 84200, 92620, 114512, 115775, 143140, 157454, 168400, 178925, 185240, 231550, 286280, 314908, 357850, 370480, 393635, 463100, 572560, 629816, 715700, 787270, 926200, 1259632, 1431400, 1574540, 1852400, 1968175, 2862800, 3149080, 3936350, 6298160, 7872700, 15745400, 31490800]

約数ペア:

[(1, 31490800), (2, 15745400), (4, 7872700), (5, 6298160), (8, 3936350), (10, 3149080), (11, 2862800), (16, 1968175), (17, 1852400), (20, 1574540), (22, 1431400), (25, 1259632), (34, 926200), (40, 787270), (44, 715700), (50, 629816), (55, 572560), (68, 463100), (80, 393635), (85, 370480), (88, 357850), (100, 314908), (110, 286280), (136, 231550), (170, 185240), (176, 178925), (187, 168400), (200, 157454), (220, 143140), (272, 115775), (275, 114512), (340, 92620), (374, 84200), (400, 78727), (421, 74800), (425, 74096), (440, 71570), (550, 57256), (680, 46310), (748, 42100), (842, 37400), (850, 37048), (880, 35785), (935, 33680), (1100, 28628), (1360, 23155), (1496, 21050), (1684, 18700), (1700, 18524), (1870, 16840), (2105, 14960), (2200, 14314), (2992, 10525), (3368, 9350), (3400, 9262), (3740, 8420), (4210, 7480), (4400, 7157), (4631, 6800), (4675, 6736)]