30689288

素因数分解:

$2^3\times 7^2\times {\mathrm{79}}^1\times {\mathrm{991}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 67852800

約数和(自身を除く): 37163512

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 79, 98, 158, 196, 316, 392, 553, 632, 991, 1106, 1982, 2212, 3871, 3964, 4424, 6937, 7742, 7928, 13874, 15484, 27748, 30968, 48559, 55496, 78289, 97118, 156578, 194236, 313156, 388472, 548023, 626312, 1096046, 2192092, 3836161, 4384184, 7672322, 15344644, 30689288]

約数ペア:

[(1, 30689288), (2, 15344644), (4, 7672322), (7, 4384184), (8, 3836161), (14, 2192092), (28, 1096046), (49, 626312), (56, 548023), (79, 388472), (98, 313156), (158, 194236), (196, 156578), (316, 97118), (392, 78289), (553, 55496), (632, 48559), (991, 30968), (1106, 27748), (1982, 15484), (2212, 13874), (3871, 7928), (3964, 7742), (4424, 6937)]