310865860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{2111}}^1$

素因数の和:2356

約数の個数: 48

約数和(自身を含む): 674150400

約数和(自身を除く): 363284540

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 199, 370, 398, 740, 796, 995, 1990, 2111, 3980, 4222, 7363, 8444, 10555, 14726, 21110, 29452, 36815, 42220, 73630, 78107, 147260, 156214, 312428, 390535, 420089, 781070, 840178, 1562140, 1680356, 2100445, 4200890, 8401780, 15543293, 31086586, 62173172, 77716465, 155432930, 310865860]

約数ペア:

[(1, 310865860), (2, 155432930), (4, 77716465), (5, 62173172), (10, 31086586), (20, 15543293), (37, 8401780), (74, 4200890), (148, 2100445), (185, 1680356), (199, 1562140), (370, 840178), (398, 781070), (740, 420089), (796, 390535), (995, 312428), (1990, 156214), (2111, 147260), (3980, 78107), (4222, 73630), (7363, 42220), (8444, 36815), (10555, 29452), (14726, 21110)]