221434240

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11161}}^1$

素因数の和:11211

約数の個数: 64

約数和(自身を含む): 546491520

約数和(自身を除く): 325057280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 9920, 11161, 19840, 22322, 44644, 55805, 89288, 111610, 178576, 223220, 345991, 357152, 446440, 691982, 714304, 892880, 1383964, 1428608, 1729955, 1785760, 2767928, 3459910, 3571520, 5535856, 6919820, 7143040, 11071712, 13839640, 22143424, 27679280, 44286848, 55358560, 110717120, 221434240]

約数ペア:

[(1, 221434240), (2, 110717120), (4, 55358560), (5, 44286848), (8, 27679280), (10, 22143424), (16, 13839640), (20, 11071712), (31, 7143040), (32, 6919820), (40, 5535856), (62, 3571520), (64, 3459910), (80, 2767928), (124, 1785760), (128, 1729955), (155, 1428608), (160, 1383964), (248, 892880), (310, 714304), (320, 691982), (496, 446440), (620, 357152), (640, 345991), (992, 223220), (1240, 178576), (1984, 111610), (2480, 89288), (3968, 55805), (4960, 44644), (9920, 22322), (11161, 19840)]