30019936

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:335

約数の個数: 48

約数和(自身を含む): 61090848

約数和(自身を除く): 31070912

約数列:

[1, 2, 4, 8, 16, 32, 71, 73, 142, 146, 181, 284, 292, 362, 568, 584, 724, 1136, 1168, 1448, 2272, 2336, 2896, 5183, 5792, 10366, 12851, 13213, 20732, 25702, 26426, 41464, 51404, 52852, 82928, 102808, 105704, 165856, 205616, 211408, 411232, 422816, 938123, 1876246, 3752492, 7504984, 15009968, 30019936]

約数ペア:

[(1, 30019936), (2, 15009968), (4, 7504984), (8, 3752492), (16, 1876246), (32, 938123), (71, 422816), (73, 411232), (142, 211408), (146, 205616), (181, 165856), (284, 105704), (292, 102808), (362, 82928), (568, 52852), (584, 51404), (724, 41464), (1136, 26426), (1168, 25702), (1448, 20732), (2272, 13213), (2336, 12851), (2896, 10366), (5183, 5792)]