388925810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1663}}^1$

素因数の和:1947

約数の個数: 64

約数和(自身を含む): 865492992

約数和(自身を除く): 476567182

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 257, 455, 514, 910, 1285, 1663, 1799, 2570, 3326, 3341, 3598, 6682, 8315, 8995, 11641, 16630, 16705, 17990, 21619, 23282, 23387, 33410, 43238, 46774, 58205, 108095, 116410, 116935, 151333, 216190, 233870, 302666, 427391, 756665, 854782, 1513330, 2136955, 2991737, 4273910, 5556083, 5983474, 11112166, 14958685, 27780415, 29917370, 38892581, 55560830, 77785162, 194462905, 388925810]

約数ペア:

[(1, 388925810), (2, 194462905), (5, 77785162), (7, 55560830), (10, 38892581), (13, 29917370), (14, 27780415), (26, 14958685), (35, 11112166), (65, 5983474), (70, 5556083), (91, 4273910), (130, 2991737), (182, 2136955), (257, 1513330), (455, 854782), (514, 756665), (910, 427391), (1285, 302666), (1663, 233870), (1799, 216190), (2570, 151333), (3326, 116935), (3341, 116410), (3598, 108095), (6682, 58205), (8315, 46774), (8995, 43238), (11641, 33410), (16630, 23387), (16705, 23282), (17990, 21619)]