308559616

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{659}}^1$

素因数の和:765

約数の個数: 72

約数和(自身を含む): 647539200

約数和(自身を除く): 338979584

約数列:

[1, 2, 4, 8, 16, 31, 32, 59, 62, 64, 118, 124, 128, 236, 248, 256, 472, 496, 659, 944, 992, 1318, 1829, 1888, 1984, 2636, 3658, 3776, 3968, 5272, 7316, 7552, 7936, 10544, 14632, 15104, 20429, 21088, 29264, 38881, 40858, 42176, 58528, 77762, 81716, 84352, 117056, 155524, 163432, 168704, 234112, 311048, 326864, 468224, 622096, 653728, 1205311, 1244192, 1307456, 2410622, 2488384, 2614912, 4821244, 4976768, 5229824, 9642488, 9953536, 19284976, 38569952, 77139904, 154279808, 308559616]

約数ペア:

[(1, 308559616), (2, 154279808), (4, 77139904), (8, 38569952), (16, 19284976), (31, 9953536), (32, 9642488), (59, 5229824), (62, 4976768), (64, 4821244), (118, 2614912), (124, 2488384), (128, 2410622), (236, 1307456), (248, 1244192), (256, 1205311), (472, 653728), (496, 622096), (659, 468224), (944, 326864), (992, 311048), (1318, 234112), (1829, 168704), (1888, 163432), (1984, 155524), (2636, 117056), (3658, 84352), (3776, 81716), (3968, 77762), (5272, 58528), (7316, 42176), (7552, 40858), (7936, 38881), (10544, 29264), (14632, 21088), (15104, 20429)]