77120500

素因数分解:

$2^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 183351168

約数和(自身を除く): 106230668

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 43, 50, 68, 85, 86, 100, 125, 170, 172, 211, 215, 250, 340, 422, 425, 430, 500, 731, 844, 850, 860, 1055, 1075, 1462, 1700, 2110, 2125, 2150, 2924, 3587, 3655, 4220, 4250, 4300, 5275, 5375, 7174, 7310, 8500, 9073, 10550, 10750, 14348, 14620, 17935, 18146, 18275, 21100, 21500, 26375, 35870, 36292, 36550, 45365, 52750, 71740, 73100, 89675, 90730, 91375, 105500, 154241, 179350, 181460, 182750, 226825, 308482, 358700, 365500, 448375, 453650, 616964, 771205, 896750, 907300, 1134125, 1542410, 1793500, 2268250, 3084820, 3856025, 4536500, 7712050, 15424100, 19280125, 38560250, 77120500]

約数ペア:

[(1, 77120500), (2, 38560250), (4, 19280125), (5, 15424100), (10, 7712050), (17, 4536500), (20, 3856025), (25, 3084820), (34, 2268250), (43, 1793500), (50, 1542410), (68, 1134125), (85, 907300), (86, 896750), (100, 771205), (125, 616964), (170, 453650), (172, 448375), (211, 365500), (215, 358700), (250, 308482), (340, 226825), (422, 182750), (425, 181460), (430, 179350), (500, 154241), (731, 105500), (844, 91375), (850, 90730), (860, 89675), (1055, 73100), (1075, 71740), (1462, 52750), (1700, 45365), (2110, 36550), (2125, 36292), (2150, 35870), (2924, 26375), (3587, 21500), (3655, 21100), (4220, 18275), (4250, 18146), (4300, 17935), (5275, 14620), (5375, 14348), (7174, 10750), (7310, 10550), (8500, 9073)]