389660830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 772390080

約数和(自身を除く): 382729250

約数列:

[1, 2, 5, 10, 13, 26, 65, 107, 109, 130, 214, 218, 257, 514, 535, 545, 1070, 1090, 1285, 1391, 1417, 2570, 2782, 2834, 3341, 6682, 6955, 7085, 11663, 13910, 14170, 16705, 23326, 27499, 28013, 33410, 54998, 56026, 58315, 116630, 137495, 140065, 151619, 274990, 280130, 303238, 357487, 364169, 714974, 728338, 758095, 1516190, 1787435, 1820845, 2997391, 3574870, 3641690, 5994782, 14986955, 29973910, 38966083, 77932166, 194830415, 389660830]

約数ペア:

[(1, 389660830), (2, 194830415), (5, 77932166), (10, 38966083), (13, 29973910), (26, 14986955), (65, 5994782), (107, 3641690), (109, 3574870), (130, 2997391), (214, 1820845), (218, 1787435), (257, 1516190), (514, 758095), (535, 728338), (545, 714974), (1070, 364169), (1090, 357487), (1285, 303238), (1391, 280130), (1417, 274990), (2570, 151619), (2782, 140065), (2834, 137495), (3341, 116630), (6682, 58315), (6955, 56026), (7085, 54998), (11663, 33410), (13910, 28013), (14170, 27499), (16705, 23326)]