7283380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 16687440

約数和(自身を除く): 9404060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 109, 130, 218, 257, 260, 436, 514, 545, 1028, 1090, 1285, 1417, 2180, 2570, 2834, 3341, 5140, 5668, 6682, 7085, 13364, 14170, 16705, 28013, 28340, 33410, 56026, 66820, 112052, 140065, 280130, 364169, 560260, 728338, 1456676, 1820845, 3641690, 7283380]

約数ペア:

[(1, 7283380), (2, 3641690), (4, 1820845), (5, 1456676), (10, 728338), (13, 560260), (20, 364169), (26, 280130), (52, 140065), (65, 112052), (109, 66820), (130, 56026), (218, 33410), (257, 28340), (260, 28013), (436, 16705), (514, 14170), (545, 13364), (1028, 7085), (1090, 6682), (1285, 5668), (1417, 5140), (2180, 3341), (2570, 2834)]