319471180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{7951}}^1$

素因数の和:8015

約数の個数: 72

約数和(自身を含む): 799557696

約数和(自身を除く): 480086516

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2870, 4018, 5740, 7951, 8036, 10045, 15902, 20090, 31804, 39755, 40180, 55657, 79510, 111314, 159020, 222628, 278285, 325991, 389599, 556570, 651982, 779198, 1113140, 1303964, 1558396, 1629955, 1947995, 2281937, 3259910, 3895990, 4563874, 6519820, 7791980, 9127748, 11409685, 15973559, 22819370, 31947118, 45638740, 63894236, 79867795, 159735590, 319471180]

約数ペア:

[(1, 319471180), (2, 159735590), (4, 79867795), (5, 63894236), (7, 45638740), (10, 31947118), (14, 22819370), (20, 15973559), (28, 11409685), (35, 9127748), (41, 7791980), (49, 6519820), (70, 4563874), (82, 3895990), (98, 3259910), (140, 2281937), (164, 1947995), (196, 1629955), (205, 1558396), (245, 1303964), (287, 1113140), (410, 779198), (490, 651982), (574, 556570), (820, 389599), (980, 325991), (1148, 278285), (1435, 222628), (2009, 159020), (2870, 111314), (4018, 79510), (5740, 55657), (7951, 40180), (8036, 39755), (10045, 31804), (15902, 20090)]