420787304

素因数分解:

$2^3\times 7^2\times {\mathrm{31}}^2\times {\mathrm{1117}}^1$

素因数の和:1199

約数の個数: 72

約数和(自身を含む): 949198770

約数和(自身を除く): 528411466

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 49, 56, 62, 98, 124, 196, 217, 248, 392, 434, 868, 961, 1117, 1519, 1736, 1922, 2234, 3038, 3844, 4468, 6076, 6727, 7688, 7819, 8936, 12152, 13454, 15638, 26908, 31276, 34627, 47089, 53816, 54733, 62552, 69254, 94178, 109466, 138508, 188356, 218932, 242389, 277016, 376712, 437864, 484778, 969556, 1073437, 1696723, 1939112, 2146874, 3393446, 4293748, 6786892, 7514059, 8587496, 13573784, 15028118, 30056236, 52598413, 60112472, 105196826, 210393652, 420787304]

約数ペア:

[(1, 420787304), (2, 210393652), (4, 105196826), (7, 60112472), (8, 52598413), (14, 30056236), (28, 15028118), (31, 13573784), (49, 8587496), (56, 7514059), (62, 6786892), (98, 4293748), (124, 3393446), (196, 2146874), (217, 1939112), (248, 1696723), (392, 1073437), (434, 969556), (868, 484778), (961, 437864), (1117, 376712), (1519, 277016), (1736, 242389), (1922, 218932), (2234, 188356), (3038, 138508), (3844, 109466), (4468, 94178), (6076, 69254), (6727, 62552), (7688, 54733), (7819, 53816), (8936, 47089), (12152, 34627), (13454, 31276), (15638, 26908)]