2912731160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{19259}}^1$

素因数の和:19488

約数の個数: 64

約数和(自身を含む): 6933600000

約数和(自身を除く): 4020868840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 199, 380, 398, 760, 796, 995, 1592, 1990, 3781, 3980, 7562, 7960, 15124, 18905, 19259, 30248, 37810, 38518, 75620, 77036, 96295, 151240, 154072, 192590, 365921, 385180, 731842, 770360, 1463684, 1829605, 2927368, 3659210, 3832541, 7318420, 7665082, 14636840, 15330164, 19162705, 30660328, 38325410, 72818279, 76650820, 145636558, 153301640, 291273116, 364091395, 582546232, 728182790, 1456365580, 2912731160]

約数ペア:

[(1, 2912731160), (2, 1456365580), (4, 728182790), (5, 582546232), (8, 364091395), (10, 291273116), (19, 153301640), (20, 145636558), (38, 76650820), (40, 72818279), (76, 38325410), (95, 30660328), (152, 19162705), (190, 15330164), (199, 14636840), (380, 7665082), (398, 7318420), (760, 3832541), (796, 3659210), (995, 2927368), (1592, 1829605), (1990, 1463684), (3781, 770360), (3980, 731842), (7562, 385180), (7960, 365921), (15124, 192590), (18905, 154072), (19259, 151240), (30248, 96295), (37810, 77036), (38518, 75620)]